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31422140013031 = 83827345760909
BaseRepresentation
bin1110010010100000010010…
…11111100101100111100111
311010020221000222000202012121
413021100021133211213213
513104310020320404111
6150455044251130411
76422113631141215
oct711201137454747
9133227028022177
1031422140013031
11a015066955879
1236359a3143a07
13146c130bab341
147a8ba8181cb5
153975669c2871
hex1c94097e59e7

31422140013031 has 8 divisors (see below), whose sum is σ = 31804564624560. Its totient is φ = 31039806940032.

The previous prime is 31422140012981. The next prime is 31422140013071. The reversal of 31422140013031 is 13031004122413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31422140013031 - 211 = 31422140010983 is a prime.

It is a super-2 number, since 2×314221400130312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31422140012987 and 31422140013005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31422140013071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22193796 + ... + 23567113.

It is an arithmetic number, because the mean of its divisors is an integer number (3975570578070).

Almost surely, 231422140013031 is an apocalyptic number.

31422140013031 is a deficient number, since it is larger than the sum of its proper divisors (382424611529).

31422140013031 is an equidigital number, since it uses as much as digits as its factorization.

31422140013031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45769265.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 31422140013031 its reverse (13031004122413), we get a palindrome (44453144135444).

The spelling of 31422140013031 in words is "thirty-one trillion, four hundred twenty-two billion, one hundred forty million, thirteen thousand, thirty-one".

Divisors: 1 83 8273 686659 45760909 3798155447 378580000157 31422140013031