13942865115031 has 4 divisors (see below), whose sum is σ = 13943764844352. Its totient is φ = 13941965385712.

The previous prime is 13942865115029. The next prime is 13942865115061. The reversal of 13942865115031 is 13051156824931.

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 13942865115031 - 2¹ = 13942865115029 is a prime.

It is a super-2 number, since 2×13942865115031² (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 (13942865115061) 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, 449841415 + ... + 449872408.

It is an arithmetic number, because the mean of its divisors is an integer number (3485941211088).

Almost surely, 2^{13942865115031} is an apocalyptic number.

13942865115031 is a deficient number, since it is larger than the sum of its proper divisors (899729321).

13942865115031 is an equidigital number, since it uses as much as digits as its factorization.

13942865115031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899729320.

The product of its (nonzero) digits is 777600, while the sum is 49.

The spelling of 13942865115031 in words is "thirteen trillion, nine hundred forty-two billion, eight hundred sixty-five million, one hundred fifteen thousand, thirty-one".