31354245313 has 4 divisors (see below), whose sum is σ = 31373613360. Its totient is φ = 31334877268.

The previous prime is 31354245301. The next prime is 31354245361.

31354245313 is nontrivially palindromic in base 10.

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 31354245313 - 2³³ = 22764310721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31354242313) 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, 9681595 + ... + 9684832.

It is an arithmetic number, because the mean of its divisors is an integer number (7843403340).

Almost surely, 2^31354245313 is an apocalyptic number.

It is an amenable number.

31354245313 is a deficient number, since it is larger than the sum of its proper divisors (19368047).

31354245313 is a wasteful number, since it uses less digits than its factorization.

31354245313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19368046.

The product of its digits is 64800, while the sum is 34.

The spelling of 31354245313 in words is "thirty-one billion, three hundred fifty-four million, two hundred forty-five thousand, three hundred thirteen".