31350628312 has 16 divisors (see below), whose sum is σ = 58784631840. Its totient is φ = 15674726496.

The previous prime is 31350628301. The next prime is 31350628333. The reversal of 31350628312 is 21382605313.

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, 224238 + ... + 336130.

It is an arithmetic number, because the mean of its divisors is an integer number (3674039490).

Almost surely, 2^31350628312 is an apocalyptic number.

It is an amenable number.

31350628312 is a deficient number, since it is larger than the sum of its proper divisors (27434003528).

31350628312 is a wasteful number, since it uses less digits than its factorization.

31350628312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146922 (or 146918 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 31350628312 in words is "thirty-one billion, three hundred fifty million, six hundred twenty-eight thousand, three hundred twelve".