31364446313 has 4 divisors (see below), whose sum is σ = 31364827728. Its totient is φ = 31364064900.

The previous prime is 31364446303. The next prime is 31364446319.

31364446313 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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31364446313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31364446319) 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, 10763 + ... + 250688.

It is an arithmetic number, because the mean of its divisors is an integer number (7841206932).

Almost surely, 2^31364446313 is an apocalyptic number.

It is an amenable number.

31364446313 is a deficient number, since it is larger than the sum of its proper divisors (381415).

31364446313 is a wasteful number, since it uses less digits than its factorization.

31364446313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381414.

The product of its digits is 186624, while the sum is 38.

The spelling of 31364446313 in words is "thirty-one billion, three hundred sixty-four million, four hundred forty-six thousand, three hundred thirteen".