31013343053203 has 16 divisors (see below), whose sum is σ = 36307560593920. Its totient is φ = 25936405903296.

The previous prime is 31013343053197. The next prime is 31013343053219. The reversal of 31013343053203 is 30235034331013.

It is not a de Polignac number, because 31013343053203 - 2⁵ = 31013343053171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31013343050203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55781250 + ... + 56334487.

It is an arithmetic number, because the mean of its divisors is an integer number (2269222537120).

Almost surely, 2^{31013343053203} is an apocalyptic number.

31013343053203 is a deficient number, since it is larger than the sum of its proper divisors (5294217540717).

31013343053203 is a wasteful number, since it uses less digits than its factorization.

31013343053203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112116706.

The product of its (nonzero) digits is 29160, while the sum is 31.

Adding to 31013343053203 its reverse (30235034331013), we get a palindrome (61248377384216).

The spelling of 31013343053203 in words is "thirty-one trillion, thirteen billion, three hundred forty-three million, fifty-three thousand, two hundred three".