31313101112133 has 16 divisors (see below), whose sum is σ = 41846469519360. Its totient is φ = 20827568006064.

The previous prime is 31313101112023. The next prime is 31313101112177. The reversal of 31313101112133 is 33121110131313.

It is a de Polignac number, because none of the positive numbers 2^k-31313101112133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31313101182133) 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, 153859560 + ... + 154062942.

It is an arithmetic number, because the mean of its divisors is an integer number (2615404344960).

Almost surely, 2^{31313101112133} is an apocalyptic number.

It is an amenable number.

31313101112133 is a deficient number, since it is larger than the sum of its proper divisors (10533368407227).

31313101112133 is a wasteful number, since it uses less digits than its factorization.

31313101112133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320728.

The product of its (nonzero) digits is 486, while the sum is 24.

Adding to 31313101112133 its reverse (33121110131313), we get a palindrome (64434211243446).

The spelling of 31313101112133 in words is "thirty-one trillion, three hundred thirteen billion, one hundred one million, one hundred twelve thousand, one hundred thirty-three".