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131312100022 = 2311211112701
BaseRepresentation
bin111101001001011001…
…1111010001010110110
3110112221100212211110221
41322102303322022312
54122411344200042
6140153550004554
712326015301565
oct1722263721266
9415840784427
10131312100022
1150764291314
12215481a675a
13c4c898818c
1464d9859bdc
153638143d67
hex1e92cfa2b6

131312100022 has 8 divisors (see below), whose sum is σ = 197601489072. Its totient is φ = 65444937000.

The previous prime is 131312099993. The next prime is 131312100091. The reversal of 131312100022 is 220001213131.

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

It is a super-2 number, since 2×1313121000222 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131312099969 and 131312100005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105555729 + ... + 105556972.

It is an arithmetic number, because the mean of its divisors is an integer number (24700186134).

Almost surely, 2131312100022 is an apocalyptic number.

131312100022 is a deficient number, since it is larger than the sum of its proper divisors (66289389050).

131312100022 is a wasteful number, since it uses less digits than its factorization.

131312100022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211113014.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 131312100022 its reverse (220001213131), we get a palindrome (351313313153).

The spelling of 131312100022 in words is "one hundred thirty-one billion, three hundred twelve million, one hundred thousand, twenty-two".

Divisors: 1 2 311 622 211112701 422225402 65656050011 131312100022