31304422440313 has 16 divisors (see below), whose sum is σ = 35635539888000. Its totient is φ = 27220880839680.

The previous prime is 31304422440287. The next prime is 31304422440383.

31304422440313 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-31304422440313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31304422440383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19584583 + ... + 21122611.

It is an arithmetic number, because the mean of its divisors is an integer number (2227221243000).

Almost surely, 2^{31304422440313} is an apocalyptic number.

It is an amenable number.

31304422440313 is a deficient number, since it is larger than the sum of its proper divisors (4331117447687).

31304422440313 is a wasteful number, since it uses less digits than its factorization.

31304422440313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1618512.

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

It can be divided in two parts, 3130442 and 2440313, that added together give a palindrome (5570755).

The spelling of 31304422440313 in words is "thirty-one trillion, three hundred four billion, four hundred twenty-two million, four hundred forty thousand, three hundred thirteen".