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131234401002124 = 22721973398798327
BaseRepresentation
bin11101110101101101100011…
…110110101010001010001100
3122012122212221001021101002001
4131311231203312222022030
5114200121023124031444
61143040130155242044
736433241540124400
oct3565554366521214
9565585831241061
10131234401002124
11388a7219101392
1212876133449324
13582c473c59144
142459ac942b100
151028a944438d4
hex775b63daa28c

131234401002124 has 36 divisors (see below), whose sum is σ = 268511865508656. Its totient is φ = 55957815639264.

The previous prime is 131234401002101. The next prime is 131234401002127. The reversal of 131234401002124 is 421200104432131.

It is a happy number.

It is a super-2 number, since 2×1312344010021242 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 131234401002092 and 131234401002101.

It is not an unprimeable number, because it can be changed into a prime (131234401002127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1699360552 + ... + 1699437775.

It is an arithmetic number, because the mean of its divisors is an integer number (7458662930796).

Almost surely, 2131234401002124 is an apocalyptic number.

131234401002124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

131234401002124 is an abundant number, since it is smaller than the sum of its proper divisors (137277464506532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131234401002124 is a wasteful number, since it uses less digits than its factorization.

131234401002124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3398798542 (or 3398798533 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 131234401002124 its reverse (421200104432131), we get a palindrome (552434505434255).

The spelling of 131234401002124 in words is "one hundred thirty-one trillion, two hundred thirty-four billion, four hundred one million, two thousand, one hundred twenty-four".

Divisors: 1 2 4 7 14 28 49 98 196 197 394 788 1379 2758 5516 9653 19306 38612 3398798327 6797596654 13595193308 23791588289 47583176578 95166353156 166541118023 333082236046 666164472092 669563270419 1339126540838 2678253081676 4686942892933 9373885785866 18747771571732 32808600250531 65617200501062 131234401002124