31083284028 has 12 divisors (see below), whose sum is σ = 72527662760. Its totient is φ = 10361094672.

The previous prime is 31083284017. The next prime is 31083284047. The reversal of 31083284028 is 82048238013.

It is a tau number, because it is divible by the number of its divisors (12).

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, 1295136823 + ... + 1295136846.

Almost surely, 2^31083284028 is an apocalyptic number.

It is an amenable number.

31083284028 is an abundant number, since it is smaller than the sum of its proper divisors (41444378732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31083284028 is a wasteful number, since it uses less digits than its factorization.

31083284028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2590273676 (or 2590273674 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 39.

The spelling of 31083284028 in words is "thirty-one billion, eighty-three million, two hundred eighty-four thousand, twenty-eight".