130522031531 has 4 divisors (see below), whose sum is σ = 130557397464. Its totient is φ = 130486665600.

The previous prime is 130522031447. The next prime is 130522031567. The reversal of 130522031531 is 135130225031.

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

It is a cyclic number.

It is not a de Polignac number, because 130522031531 - 2¹⁸ = 130521769387 is a prime.

It is a super-2 number, since 2×130522031531² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 130522031531.

It is not an unprimeable number, because it can be changed into a prime (130522031581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17677430 + ... + 17684811.

It is an arithmetic number, because the mean of its divisors is an integer number (32639349366).

Almost surely, 2^130522031531 is an apocalyptic number.

130522031531 is a deficient number, since it is larger than the sum of its proper divisors (35365933).

130522031531 is an equidigital number, since it uses as much as digits as its factorization.

130522031531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35365932.

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

Adding to 130522031531 its reverse (135130225031), we get a palindrome (265652256562).

The spelling of 130522031531 in words is "one hundred thirty billion, five hundred twenty-two million, thirty-one thousand, five hundred thirty-one".