13023110331021 has 8 divisors (see below), whose sum is σ = 19844739552064. Its totient is φ = 7441777332000.

The previous prime is 13023110331017. The next prime is 13023110331071. The reversal of 13023110331021 is 12013301132031.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13023110331021 - 2² = 13023110331017 is a prime.

It is a super-3 number, since 3×13023110331021³ (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 620148111001 = 13023110331021 / (1 + 3 + 0 + 2 + 3 + 1 + 1 + 0 + 3 + 3 + 1 + 0 + 2 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13023110331071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310074055480 + ... + 310074055521.

It is an arithmetic number, because the mean of its divisors is an integer number (2480592444008).

Almost surely, 2^{13023110331021} is an apocalyptic number.

It is an amenable number.

13023110331021 is a deficient number, since it is larger than the sum of its proper divisors (6821629221043).

13023110331021 is an equidigital number, since it uses as much as digits as its factorization.

13023110331021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620148111011.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 13023110331021 its reverse (12013301132031), we get a palindrome (25036411463052).

The spelling of 13023110331021 in words is "thirteen trillion, twenty-three billion, one hundred ten million, three hundred thirty-one thousand, twenty-one".