130513231 has 4 divisors (see below), whose sum is σ = 130616712. Its totient is φ = 130409752.

The previous prime is 130513211. The next prime is 130513241. The reversal of 130513231 is 132315031.

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 130513231 - 2⁹ = 130512719 is a prime.

It is a super-2 number, since 2×130513231² = 34067406932118722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130513199 and 130513208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130513211) 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, 49825 + ... + 52378.

It is an arithmetic number, because the mean of its divisors is an integer number (32654178).

Almost surely, 2^130513231 is an apocalyptic number.

130513231 is a deficient number, since it is larger than the sum of its proper divisors (103481).

130513231 is a wasteful number, since it uses less digits than its factorization.

130513231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103480.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 130513231 is about 11424.2387492559. The cubic root of 130513231 is about 507.2454737343.

Adding to 130513231 its reverse (132315031), we get a palindrome (262828262).

The spelling of 130513231 in words is "one hundred thirty million, five hundred thirteen thousand, two hundred thirty-one".