31312032333313 has 2 divisors, whose sum is σ = 31312032333314. Its totient is φ = 31312032333312.

The previous prime is 31312032333251. The next prime is 31312032333391. The reversal of 31312032333313 is 31333323021313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30526155402304 + 785876931009 = 5525048^2 + 886497^2 .

It is a cyclic number.

It is not a de Polignac number, because 31312032333313 - 2¹³ = 31312032325121 is a prime.

It is not a weakly prime, because it can be changed into another prime (31312032333613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15656016166656 + 15656016166657.

It is an arithmetic number, because the mean of its divisors is an integer number (15656016166657).

Almost surely, 2^{31312032333313} is an apocalyptic number.

It is an amenable number.

31312032333313 is a deficient number, since it is larger than the sum of its proper divisors (1).

31312032333313 is an equidigital number, since it uses as much as digits as its factorization.

31312032333313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26244, while the sum is 31.

Adding to 31312032333313 its reverse (31333323021313), we get a palindrome (62645355354626).

The spelling of 31312032333313 in words is "thirty-one trillion, three hundred twelve billion, thirty-two million, three hundred thirty-three thousand, three hundred thirteen".