31323032313 has 16 divisors (see below), whose sum is σ = 42467031936. Its totient is φ = 20530823040.

The previous prime is 31323032311. The next prime is 31323032371.

31323032313 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 31323032313 - 2¹ = 31323032311 is a prime.

It is a super-2 number, since 2×31323032313² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31323032311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 402156 + ... + 473682.

It is an arithmetic number, because the mean of its divisors is an integer number (2654189496).

Almost surely, 2^31323032313 is an apocalyptic number.

It is an amenable number.

31323032313 is a deficient number, since it is larger than the sum of its proper divisors (11143999623).

31323032313 is a wasteful number, since it uses less digits than its factorization.

31323032313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73984.

The product of its (nonzero) digits is 2916, while the sum is 24.

It can be divided in two parts, 313230 and 32313, that added together give a palindrome (345543).

The spelling of 31323032313 in words is "thirty-one billion, three hundred twenty-three million, thirty-two thousand, three hundred thirteen".