31323300316 has 48 divisors (see below), whose sum is σ = 70698378240. Its totient is φ = 11783056320.

The previous prime is 31323300313. The next prime is 31323300331. The reversal of 31323300316 is 61300332313.

It is a super-2 number, since 2×31323300316² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31323300313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1744500 + ... + 1762363.

It is an arithmetic number, because the mean of its divisors is an integer number (1472882880).

Almost surely, 2^31323300316 is an apocalyptic number.

It is an amenable number.

31323300316 is an abundant number, since it is smaller than the sum of its proper divisors (39375077924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31323300316 is a wasteful number, since it uses less digits than its factorization.

31323300316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3506914 (or 3506912 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 31323300316 its reverse (61300332313), we get a palindrome (92623632629).

The spelling of 31323300316 in words is "thirty-one billion, three hundred twenty-three million, three hundred thousand, three hundred sixteen".