13020230031 has 4 divisors (see below), whose sum is σ = 17360306712. Its totient is φ = 8680153352.

The previous prime is 13020230017. The next prime is 13020230087. The reversal of 13020230031 is 13003202031.

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 13020230031 - 2⁶ = 13020229967 is a prime.

It is a super-2 number, since 2×13020230031² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13020237031) 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, 2170038336 + ... + 2170038341.

It is an arithmetic number, because the mean of its divisors is an integer number (4340076678).

Almost surely, 2^13020230031 is an apocalyptic number.

13020230031 is a deficient number, since it is larger than the sum of its proper divisors (4340076681).

13020230031 is an equidigital number, since it uses as much as digits as its factorization.

13020230031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4340076680.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 13020230031 its reverse (13003202031), we get a palindrome (26023432062).

The spelling of 13020230031 in words is "thirteen billion, twenty million, two hundred thirty thousand, thirty-one".