30103689656 has 64 divisors (see below), whose sum is σ = 61615080000. Its totient is φ = 13744546816.

The previous prime is 30103689643. The next prime is 30103689689. The reversal of 30103689656 is 65698630103.

It is a super-2 number, since 2×30103689656² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30103689656.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 443210 + ... + 506598.

It is an arithmetic number, because the mean of its divisors is an integer number (962735625).

Almost surely, 2^30103689656 is an apocalyptic number.

It is an amenable number.

30103689656 is an abundant number, since it is smaller than the sum of its proper divisors (31511390344).

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

30103689656 is a wasteful number, since it uses less digits than its factorization.

30103689656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63536 (or 63532 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 47.

The spelling of 30103689656 in words is "thirty billion, one hundred three million, six hundred eighty-nine thousand, six hundred fifty-six".