131102012136 has 64 divisors (see below), whose sum is σ = 328772304000. Its totient is φ = 43565211648.

The previous prime is 131102012117. The next prime is 131102012137. The reversal of 131102012136 is 631210201131.

It is a super-2 number, since 2×131102012136² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131102012137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14036460 + ... + 14045796.

It is an arithmetic number, because the mean of its divisors is an integer number (5137067250).

Almost surely, 2^131102012136 is an apocalyptic number.

It is an amenable number.

131102012136 is an abundant number, since it is smaller than the sum of its proper divisors (197670291864).

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

131102012136 is a wasteful number, since it uses less digits than its factorization.

131102012136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11098 (or 11094 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 131102012136 its reverse (631210201131), we get a palindrome (762312213267).

The spelling of 131102012136 in words is "one hundred thirty-one billion, one hundred two million, twelve thousand, one hundred thirty-six".