31141332111313 has 4 divisors (see below), whose sum is σ = 31297821217600. Its totient is φ = 30984843005028.

The previous prime is 31141332111289. The next prime is 31141332111353. The reversal of 31141332111313 is 31311123314113.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31141332111313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31141332111353) 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, 78244552845 + ... + 78244553242.

It is an arithmetic number, because the mean of its divisors is an integer number (7824455304400).

Almost surely, 2^{31141332111313} is an apocalyptic number.

It is an amenable number.

31141332111313 is a deficient number, since it is larger than the sum of its proper divisors (156489106287).

31141332111313 is a wasteful number, since it uses less digits than its factorization.

31141332111313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156489106286.

The product of its digits is 1944, while the sum is 28.

Adding to 31141332111313 its reverse (31311123314113), we get a palindrome (62452455425426).

The spelling of 31141332111313 in words is "thirty-one trillion, one hundred forty-one billion, three hundred thirty-two million, one hundred eleven thousand, three hundred thirteen".