31200234004 has 12 divisors (see below), whose sum is σ = 55110694464. Its totient is φ = 15454321304.

The previous prime is 31200233989. The next prime is 31200234017. The reversal of 31200234004 is 40043200213.

It is a congruent number.

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, 36448444 + ... + 36449299.

It is an arithmetic number, because the mean of its divisors is an integer number (4592557872).

Almost surely, 2^31200234004 is an apocalyptic number.

It is an amenable number.

31200234004 is a deficient number, since it is larger than the sum of its proper divisors (23910460460).

31200234004 is a wasteful number, since it uses less digits than its factorization.

31200234004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72897854 (or 72897852 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 31200234004 its reverse (40043200213), we get a palindrome (71243434217).

The spelling of 31200234004 in words is "thirty-one billion, two hundred million, two hundred thirty-four thousand, four".