13002112120031 has 4 divisors (see below), whose sum is σ = 13002162814464. Its totient is φ = 13002061425600.

The previous prime is 13002112120021. The next prime is 13002112120073. The reversal of 13002112120031 is 13002121120031.

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 13002112120031 - 2¹⁴ = 13002112103647 is a prime.

It is a super-2 number, since 2×13002112120031² (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 = 13002112119991 and 13002112120009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13002112120021) 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, 24960530 + ... + 25476111.

It is an arithmetic number, because the mean of its divisors is an integer number (3250540703616).

Almost surely, 2^{13002112120031} is an apocalyptic number.

13002112120031 is a deficient number, since it is larger than the sum of its proper divisors (50694433).

13002112120031 is an equidigital number, since it uses as much as digits as its factorization.

13002112120031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50694432.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 13002112120031 its reverse (13002121120031), we get a palindrome (26004233240062).

Subtracting 13002112120031 from its reverse (13002121120031), we obtain a square (9000000 = 3000²).

The spelling of 13002112120031 in words is "thirteen trillion, two billion, one hundred twelve million, one hundred twenty thousand, thirty-one".