31303412304 has 80 divisors (see below), whose sum is σ = 85166126400. Its totient is φ = 9880316928.

The previous prime is 31303412299. The next prime is 31303412353. The reversal of 31303412304 is 40321430313.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 2083732 + ... + 2098700.

It is an arithmetic number, because the mean of its divisors is an integer number (1064576580).

Almost surely, 2^31303412304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31303412304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42583063200).

31303412304 is an abundant number, since it is smaller than the sum of its proper divisors (53862714096).

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

31303412304 is a wasteful number, since it uses less digits than its factorization.

31303412304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17292 (or 17286 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 31303412304 its reverse (40321430313), we get a palindrome (71624842617).

The spelling of 31303412304 in words is "thirty-one billion, three hundred three million, four hundred twelve thousand, three hundred four".