131000232431013 has 16 divisors (see below), whose sum is σ = 190547204206656. Its totient is φ = 79393492103040.

The previous prime is 131000232430987. The next prime is 131000232431021. The reversal of 131000232431013 is 310134232000131.

It is a de Polignac number, because none of the positive numbers 2^k-131000232431013 is a prime.

It is a super-2 number, since 2×131000232431013² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131000232531013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10160920 + ... + 19111377.

It is an arithmetic number, because the mean of its divisors is an integer number (11909200262916).

Almost surely, 2^{131000232431013} is an apocalyptic number.

It is an amenable number.

131000232431013 is a deficient number, since it is larger than the sum of its proper divisors (59546971775643).

131000232431013 is a wasteful number, since it uses less digits than its factorization.

131000232431013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29407924.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 131000232431013 its reverse (310134232000131), we get a palindrome (441134464431144).

The spelling of 131000232431013 in words is "one hundred thirty-one trillion, two hundred thirty-two million, four hundred thirty-one thousand, thirteen".