30215100032 has 32 divisors (see below), whose sum is σ = 64824466980. Its totient is φ = 13945430016.

The previous prime is 30215100007. The next prime is 30215100061. The reversal of 30215100032 is 23000151203.

It can be written as a sum of positive squares in 2 ways, for example, as 29812856896 + 402243136 = 172664^2 + 20056^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9077393 + ... + 9080720.

Almost surely, 2^30215100032 is an apocalyptic number.

30215100032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30215100032 is an abundant number, since it is smaller than the sum of its proper divisors (34609366948).

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

30215100032 is a wasteful number, since it uses less digits than its factorization.

30215100032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18158140 (or 18158128 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

Adding to 30215100032 its reverse (23000151203), we get a palindrome (53215251235).

The spelling of 30215100032 in words is "thirty billion, two hundred fifteen million, one hundred thousand, thirty-two".