30215601232 has 20 divisors (see below), whose sum is σ = 58553586036. Its totient is φ = 15104998400.

The previous prime is 30215601223. The next prime is 30215601233. The reversal of 30215601232 is 23210651203.

It can be written as a sum of positive squares in 2 ways, for example, as 23729553936 + 6486047296 = 154044^2 + 80536^2 .

It is a super-2 number, since 2×30215601232² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30215601197 and 30215601206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30215601233) 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, 84769 + ... + 260032.

Almost surely, 2^30215601232 is an apocalyptic number.

It is an amenable number.

30215601232 is a deficient number, since it is larger than the sum of its proper divisors (28337984804).

30215601232 is a wasteful number, since it uses less digits than its factorization.

30215601232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350286 (or 350280 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The spelling of 30215601232 in words is "thirty billion, two hundred fifteen million, six hundred one thousand, two hundred thirty-two".