319433820930 has 144 divisors (see below), whose sum is σ = 988592926464. Its totient is φ = 71315415360.

The previous prime is 319433820919. The next prime is 319433820943. The reversal of 319433820930 is 39028334913.

319433820930 is a `hidden beast` number, since 3 + 1 + 9 + 433 + 8 + 209 + 3 + 0 = 666.

319433820930 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 652626 + ... + 1031885.

It is an arithmetic number, because the mean of its divisors is an integer number (6865228656).

Almost surely, 2^319433820930 is an apocalyptic number.

319433820930 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

319433820930 is an abundant number, since it is smaller than the sum of its proper divisors (669159105534).

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

319433820930 is a wasteful number, since it uses less digits than its factorization.

319433820930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1684581 (or 1684571 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 45.

The spelling of 319433820930 in words is "three hundred nineteen billion, four hundred thirty-three million, eight hundred twenty thousand, nine hundred thirty".