130031231031 has 96 divisors (see below), whose sum is σ = 221334265152. Its totient is φ = 72827596800.

The previous prime is 130031231023. The next prime is 130031231041. The reversal of 130031231031 is 130132130031.

It is a happy number.

130031231031 is a `hidden beast` number, since 13 + 0 + 0 + 312 + 310 + 31 = 666.

It is not a de Polignac number, because 130031231031 - 2³ = 130031231023 is a prime.

It is a super-2 number, since 2×130031231031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 130031230995 and 130031231013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130031231041) 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 95 ways as a sum of consecutive naturals, for example, 8630701 + ... + 8645753.

It is an arithmetic number, because the mean of its divisors is an integer number (2305565262).

Almost surely, 2^130031231031 is an apocalyptic number.

130031231031 is a deficient number, since it is larger than the sum of its proper divisors (91303034121).

130031231031 is a wasteful number, since it uses less digits than its factorization.

130031231031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15233 (or 15230 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 130031231031 its reverse (130132130031), we get a palindrome (260163361062).

The spelling of 130031231031 in words is "one hundred thirty billion, thirty-one million, two hundred thirty-one thousand, thirty-one".