30690835312 has 40 divisors (see below), whose sum is σ = 63369086976. Its totient is φ = 14365914816.

The previous prime is 30690835303. The next prime is 30690835313. The reversal of 30690835312 is 21353809603.

It is a super-2 number, since 2×30690835312² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30690835313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 869928 + ... + 904519.

Almost surely, 2^30690835312 is an apocalyptic number.

It is an amenable number.

30690835312 is an abundant number, since it is smaller than the sum of its proper divisors (32678251664).

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

30690835312 is a wasteful number, since it uses less digits than its factorization.

30690835312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1774525 (or 1774519 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 40.

The spelling of 30690835312 in words is "thirty billion, six hundred ninety million, eight hundred thirty-five thousand, three hundred twelve".