31134231212413 has 4 divisors (see below), whose sum is σ = 35581978528480. Its totient is φ = 26686483896348.

The previous prime is 31134231212407. The next prime is 31134231212417. The reversal of 31134231212413 is 31421213243113.

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 not a de Polignac number, because 31134231212413 - 2⁹ = 31134231211901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31134231212417) 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, 2223873658023 + ... + 2223873658036.

It is an arithmetic number, because the mean of its divisors is an integer number (8895494632120).

Almost surely, 2^{31134231212413} is an apocalyptic number.

It is an amenable number.

31134231212413 is a deficient number, since it is larger than the sum of its proper divisors (4447747316067).

31134231212413 is an equidigital number, since it uses as much as digits as its factorization.

31134231212413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4447747316066.

The product of its digits is 10368, while the sum is 31.

Adding to 31134231212413 its reverse (31421213243113), we get a palindrome (62555444455526).

The spelling of 31134231212413 in words is "thirty-one trillion, one hundred thirty-four billion, two hundred thirty-one million, two hundred twelve thousand, four hundred thirteen".