131024023031 has 4 divisors (see below), whose sum is σ = 142935297864. Its totient is φ = 119112748200.

The previous prime is 131024023003. The next prime is 131024023033. The reversal of 131024023031 is 130320420131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131024023031 is a prime.

It is a super-2 number, since 2×131024023031² (a number of 23 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 = 131024022994 and 131024023012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131024023033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5955637400 + ... + 5955637421.

It is an arithmetic number, because the mean of its divisors is an integer number (35733824466).

Almost surely, 2^131024023031 is an apocalyptic number.

131024023031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

131024023031 is a deficient number, since it is larger than the sum of its proper divisors (11911274833).

131024023031 is a wasteful number, since it uses less digits than its factorization.

131024023031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11911274832.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 131024023031 its reverse (130320420131), we get a palindrome (261344443162).

The spelling of 131024023031 in words is "one hundred thirty-one billion, twenty-four million, twenty-three thousand, thirty-one".