13121011014031 has 4 divisors (see below), whose sum is σ = 13125994309872. Its totient is φ = 13116027718192.

The previous prime is 13121011013983. The next prime is 13121011014037. The reversal of 13121011014031 is 13041011012131.

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 13121011014031 - 2⁹ = 13121011013519 is a prime.

It is a super-2 number, since 2×13121011014031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13121011014037) 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, 2491643971 + ... + 2491649236.

It is an arithmetic number, because the mean of its divisors is an integer number (3281498577468).

Almost surely, 2^{13121011014031} is an apocalyptic number.

13121011014031 is a deficient number, since it is larger than the sum of its proper divisors (4983295841).

13121011014031 is an equidigital number, since it uses as much as digits as its factorization.

13121011014031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4983295840.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 13121011014031 its reverse (13041011012131), we get a palindrome (26162022026162).

The spelling of 13121011014031 in words is "thirteen trillion, one hundred twenty-one billion, eleven million, fourteen thousand, thirty-one".