31003133204 has 12 divisors (see below), whose sum is σ = 55409855424. Its totient is φ = 15171745944.

The previous prime is 31003133191. The next prime is 31003133219. The reversal of 31003133204 is 40233130013.

It is a super-2 number, since 2×31003133204² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82454954 + ... + 82455329.

It is an arithmetic number, because the mean of its divisors is an integer number (4617487952).

Almost surely, 2^31003133204 is an apocalyptic number.

It is an amenable number.

31003133204 is a deficient number, since it is larger than the sum of its proper divisors (24406722220).

31003133204 is a wasteful number, since it uses less digits than its factorization.

31003133204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164910334 (or 164910332 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 31003133204 its reverse (40233130013), we get a palindrome (71236263217).

The spelling of 31003133204 in words is "thirty-one billion, three million, one hundred thirty-three thousand, two hundred four".