131000232431012 has 48 divisors (see below), whose sum is σ = 262248484662528. Its totient is φ = 56089814843520.

The previous prime is 131000232430987. The next prime is 131000232431021. The reversal of 131000232431012 is 210134232000131.

It is a super-2 number, since 2×131000232431012² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 677372753 + ... + 677566119.

It is an arithmetic number, because the mean of its divisors is an integer number (5463510097136).

Almost surely, 2^{131000232431012} is an apocalyptic number.

It is an amenable number.

131000232431012 is an abundant number, since it is smaller than the sum of its proper divisors (131248252231516).

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

131000232431012 is a wasteful number, since it uses less digits than its factorization.

131000232431012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216156 (or 216154 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 131000232431012 its reverse (210134232000131), we get a palindrome (341134464431143).

The spelling of 131000232431012 in words is "one hundred thirty-one trillion, two hundred thirty-two million, four hundred thirty-one thousand, twelve".