31323300404 has 48 divisors (see below), whose sum is σ = 61054632576. Its totient is φ = 13940035200.

The previous prime is 31323300331. The next prime is 31323300443. The reversal of 31323300404 is 40400332313.

It is a super-2 number, since 2×31323300404² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31323300404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1121894 + ... + 1149474.

It is an arithmetic number, because the mean of its divisors is an integer number (1271971512).

Almost surely, 2^31323300404 is an apocalyptic number.

It is an amenable number.

31323300404 is a deficient number, since it is larger than the sum of its proper divisors (29731332172).

31323300404 is a wasteful number, since it uses less digits than its factorization.

31323300404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28136 (or 28134 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 31323300404 its reverse (40400332313), we get a palindrome (71723632717).

The spelling of 31323300404 in words is "thirty-one billion, three hundred twenty-three million, three hundred thousand, four hundred four".