31830649506 has 48 divisors (see below), whose sum is σ = 71023305600. Its totient is φ = 10298325024.

The previous prime is 31830649481. The next prime is 31830649531. The reversal of 31830649506 is 60594603813.

31830649506 is a `hidden beast` number, since 3 + 1 + 83 + 0 + 64 + 9 + 506 = 666.

It is an interprime number because it is at equal distance from previous prime (31830649481) and next prime (31830649531).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105801 + ... + 273596.

It is an arithmetic number, because the mean of its divisors is an integer number (1479652200).

Almost surely, 2^31830649506 is an apocalyptic number.

31830649506 is an abundant number, since it is smaller than the sum of its proper divisors (39192656094).

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

31830649506 is a wasteful number, since it uses less digits than its factorization.

31830649506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379543 (or 379540 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 31830649506 in words is "thirty-one billion, eight hundred thirty million, six hundred forty-nine thousand, five hundred six".