31003322012 has 48 divisors (see below), whose sum is σ = 58809408000. Its totient is φ = 14216368320.

The previous prime is 31003321949. The next prime is 31003322033. The reversal of 31003322012 is 21022330013.

It is a super-2 number, since 2×31003322012² (a number of 22 digits) contains 22 as substring.

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, 8680187 + ... + 8683757.

It is an arithmetic number, because the mean of its divisors is an integer number (1225196000).

Almost surely, 2^31003322012 is an apocalyptic number.

It is an amenable number.

31003322012 is a deficient number, since it is larger than the sum of its proper divisors (27806085988).

31003322012 is a wasteful number, since it uses less digits than its factorization.

31003322012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4626 (or 4624 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 31003322012 its reverse (21022330013), we get a palindrome (52025652025).

The spelling of 31003322012 in words is "thirty-one billion, three million, three hundred twenty-two thousand, twelve".