31021233004 has 12 divisors (see below), whose sum is σ = 57480520104. Its totient is φ = 14598227264.

The previous prime is 31021232939. The next prime is 31021233037. The reversal of 31021233004 is 40033212013.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 228097234 + ... + 228097369.

It is an arithmetic number, because the mean of its divisors is an integer number (4790043342).

Almost surely, 2^31021233004 is an apocalyptic number.

31021233004 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

31021233004 is a deficient number, since it is larger than the sum of its proper divisors (26459287100).

31021233004 is a wasteful number, since it uses less digits than its factorization.

31021233004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456194624 (or 456194622 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 31021233004 its reverse (40033212013), we get a palindrome (71054445017).

The spelling of 31021233004 in words is "thirty-one billion, twenty-one million, two hundred thirty-three thousand, four".