130523215031 has 16 divisors (see below), whose sum is σ = 144986956800. Its totient is φ = 116507056320.

The previous prime is 130523215001. The next prime is 130523215037. The reversal of 130523215031 is 130512325031.

It is a cyclic number.

It is not a de Polignac number, because 130523215031 - 2³⁴ = 113343345847 is a prime.

It is a super-2 number, since 2×130523215031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130523215037) 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, 185381 + ... + 543518.

It is an arithmetic number, because the mean of its divisors is an integer number (9061684800).

Almost surely, 2^130523215031 is an apocalyptic number.

130523215031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

130523215031 is a deficient number, since it is larger than the sum of its proper divisors (14463741769).

130523215031 is a wasteful number, since it uses less digits than its factorization.

130523215031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729206.

The product of its (nonzero) digits is 2700, while the sum is 26.

Subtracting from 130523215031 its reverse (130512325031), we obtain a square (10890000 = 3300²).

The spelling of 130523215031 in words is "one hundred thirty billion, five hundred twenty-three million, two hundred fifteen thousand, thirty-one".