13052513231 has 4 divisors (see below), whose sum is σ = 13053437352. Its totient is φ = 13051589112.

The previous prime is 13052513213. The next prime is 13052513261. The reversal of 13052513231 is 13231525031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13231525031 = 23 ⋅575283697.

It is a cyclic number.

It is not a de Polignac number, because 13052513231 - 2⁶ = 13052513167 is a prime.

It is a super-2 number, since 2×13052513231² (a number of 21 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 13052513231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13052513261) 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, 440540 + ... + 469233.

It is an arithmetic number, because the mean of its divisors is an integer number (3263359338).

Almost surely, 2^13052513231 is an apocalyptic number.

13052513231 is a deficient number, since it is larger than the sum of its proper divisors (924121).

13052513231 is an equidigital number, since it uses as much as digits as its factorization.

13052513231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924120.

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

The spelling of 13052513231 in words is "thirteen billion, fifty-two million, five hundred thirteen thousand, two hundred thirty-one".