13023120133031 has 4 divisors (see below), whose sum is σ = 13026744717792. Its totient is φ = 13019495548272.

The previous prime is 13023120133021. The next prime is 13023120133099. The reversal of 13023120133031 is 13033102132031.

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 13023120133031 - 2²² = 13023115938727 is a prime.

It is a super-2 number, since 2×13023120133031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13023120132988 and 13023120133006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13023120133021) 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, 1812286991 + ... + 1812294176.

It is an arithmetic number, because the mean of its divisors is an integer number (3256686179448).

Almost surely, 2^{13023120133031} is an apocalyptic number.

13023120133031 is a deficient number, since it is larger than the sum of its proper divisors (3624584761).

13023120133031 is an equidigital number, since it uses as much as digits as its factorization.

13023120133031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3624584760.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 13023120133031 its reverse (13033102132031), we get a palindrome (26056222265062).

The spelling of 13023120133031 in words is "thirteen trillion, twenty-three billion, one hundred twenty million, one hundred thirty-three thousand, thirty-one".