31304244240313 has 4 divisors (see below), whose sum is σ = 34150084625808. Its totient is φ = 28458403854820.

The previous prime is 31304244240287. The next prime is 31304244240331.

31304244240313 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 a de Polignac number, because none of the positive numbers 2^k-31304244240313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31304244240713) 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, 1422920192731 + ... + 1422920192752.

It is an arithmetic number, because the mean of its divisors is an integer number (8537521156452).

Almost surely, 2^{31304244240313} is an apocalyptic number.

It is an amenable number.

31304244240313 is a deficient number, since it is larger than the sum of its proper divisors (2845840385495).

31304244240313 is a wasteful number, since it uses less digits than its factorization.

31304244240313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2845840385494.

The product of its (nonzero) digits is 82944, while the sum is 34.

It can be divided in two parts, 3130424 and 4240313, that added together give a palindrome (7370737).

The spelling of 31304244240313 in words is "thirty-one trillion, three hundred four billion, two hundred forty-four million, two hundred forty thousand, three hundred thirteen".