31628743083 has 32 divisors (see below), whose sum is σ = 56701393920. Its totient is φ = 17010414720.

The previous prime is 31628743073. The next prime is 31628743087. The reversal of 31628743083 is 38034782613.

31628743083 is a `hidden beast` number, since 3 + 1 + 62 + 87 + 430 + 83 = 666.

It is not a de Polignac number, because 31628743083 - 2⁹ = 31628742571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31628743087) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 4918783 + ... + 4925208.

It is an arithmetic number, because the mean of its divisors is an integer number (1771918560).

Almost surely, 2^31628743083 is an apocalyptic number.

31628743083 is a deficient number, since it is larger than the sum of its proper divisors (25072650837).

31628743083 is a wasteful number, since it uses less digits than its factorization.

31628743083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9844024 (or 9844018 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 31628743083 in words is "thirty-one billion, six hundred twenty-eight million, seven hundred forty-three thousand, eighty-three".