331070636 has 12 divisors (see below), whose sum is σ = 623940912. Its totient is φ = 152801808.

The previous prime is 331070633. The next prime is 331070659. The reversal of 331070636 is 636070133.

It is a junction number, because it is equal to n+sod(n) for n = 331070599 and 331070608.

It is not an unprimeable number, because it can be changed into a prime (331070633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3183320 + ... + 3183423.

It is an arithmetic number, because the mean of its divisors is an integer number (51995076).

Almost surely, 2^331070636 is an apocalyptic number.

It is an amenable number.

331070636 is a deficient number, since it is larger than the sum of its proper divisors (292870276).

331070636 is a wasteful number, since it uses less digits than its factorization.

331070636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6366760 (or 6366758 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 29.

The square root of 331070636 is about 18195.3465479501. The cubic root of 331070636 is about 691.7888443256.

The spelling of 331070636 in words is "three hundred thirty-one million, seventy thousand, six hundred thirty-six".