130101531 has 32 divisors (see below), whose sum is σ = 213565440. Its totient is φ = 68783904.

The previous prime is 130101497. The next prime is 130101539. The reversal of 130101531 is 135101031.

It is not a de Polignac number, because 130101531 - 2¹⁷ = 129970459 is a prime.

It is a super-2 number, since 2×130101531² = 33852816737087922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 130101531.

It is not an unprimeable number, because it can be changed into a prime (130101539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13366 + ... + 20948.

It is an arithmetic number, because the mean of its divisors is an integer number (6673920).

Almost surely, 2^130101531 is an apocalyptic number.

130101531 is a deficient number, since it is larger than the sum of its proper divisors (83463909).

130101531 is a wasteful number, since it uses less digits than its factorization.

130101531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7655.

The product of its (nonzero) digits is 45, while the sum is 15.

The square root of 130101531 is about 11406.2058108733. The cubic root of 130101531 is about 506.7115484730.

Adding to 130101531 its reverse (135101031), we get a palindrome (265202562).

It can be divided in two parts, 13010 and 1531, that added together give a palindrome (14541).

The spelling of 130101531 in words is "one hundred thirty million, one hundred one thousand, five hundred thirty-one".