130031332431 has 96 divisors (see below), whose sum is σ = 235593705984. Its totient is φ = 62074425600.

The previous prime is 130031332391. The next prime is 130031332447. The reversal of 130031332431 is 134233130031.

It is a happy number.

It is not a de Polignac number, because 130031332431 - 2¹³ = 130031324239 is a prime.

It is a super-2 number, since 2×130031332431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130031332481) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7489821 + ... + 7507161.

It is an arithmetic number, because the mean of its divisors is an integer number (2454101104).

Almost surely, 2^130031332431 is an apocalyptic number.

130031332431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

130031332431 is a deficient number, since it is larger than the sum of its proper divisors (105562373553).

130031332431 is a wasteful number, since it uses less digits than its factorization.

130031332431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17613 (or 17602 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 130031332431 its reverse (134233130031), we get a palindrome (264264462462).

The spelling of 130031332431 in words is "one hundred thirty billion, thirty-one million, three hundred thirty-two thousand, four hundred thirty-one".