31303234004 has 12 divisors (see below), whose sum is σ = 62606468064. Its totient is φ = 13415671704.

The previous prime is 31303233959. The next prime is 31303234007. The reversal of 31303234004 is 40043230313.

31303234004 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31303234007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 558986294 + ... + 558986349.

It is an arithmetic number, because the mean of its divisors is an integer number (5217205672).

Almost surely, 2^31303234004 is an apocalyptic number.

It is an amenable number.

31303234004 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

31303234004 is a wasteful number, since it uses less digits than its factorization.

31303234004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117972654 (or 1117972652 counting only the distinct ones).

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

Adding to 31303234004 its reverse (40043230313), we get a palindrome (71346464317).

The spelling of 31303234004 in words is "thirty-one billion, three hundred three million, two hundred thirty-four thousand, four".