31302232320313 has 16 divisors (see below), whose sum is σ = 31567713408000. Its totient is φ = 31037162682240.

The previous prime is 31302232320259. The next prime is 31302232320341. The reversal of 31302232320313 is 31302323220313.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31302232320313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31302232320113) 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, 1049233645 + ... + 1049263477.

It is an arithmetic number, because the mean of its divisors is an integer number (1972982088000).

Almost surely, 2^{31302232320313} is an apocalyptic number.

It is an amenable number.

31302232320313 is a deficient number, since it is larger than the sum of its proper divisors (265481087687).

31302232320313 is a wasteful number, since it uses less digits than its factorization.

31302232320313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36432.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 31302232320313 its reverse (31302323220313), we get a palindrome (62604555540626).

The spelling of 31302232320313 in words is "thirty-one trillion, three hundred two billion, two hundred thirty-two million, three hundred twenty thousand, three hundred thirteen".