31004938228 has 12 divisors (see below), whose sum is σ = 59191245792. Its totient is φ = 14093153720.

The previous prime is 31004938219. The next prime is 31004938253. The reversal of 31004938228 is 82283940013.

It is a super-2 number, since 2×31004938228² (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, 352328800 + ... + 352328887.

It is an arithmetic number, because the mean of its divisors is an integer number (4932603816).

Almost surely, 2^31004938228 is an apocalyptic number.

It is an amenable number.

31004938228 is a deficient number, since it is larger than the sum of its proper divisors (28186307564).

31004938228 is a wasteful number, since it uses less digits than its factorization.

31004938228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704657702 (or 704657700 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 31004938228 in words is "thirty-one billion, four million, nine hundred thirty-eight thousand, two hundred twenty-eight".