30965759972 has 24 divisors (see below), whose sum is σ = 61982644416. Its totient is φ = 13260084768.

The previous prime is 30965759971. The next prime is 30965760013. The reversal of 30965759972 is 27995756903.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (30965759971) 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, 421898 + ... + 489825.

It is an arithmetic number, because the mean of its divisors is an integer number (2582610184).

Almost surely, 2^30965759972 is an apocalyptic number.

It is an amenable number.

30965759972 is an abundant number, since it is smaller than the sum of its proper divisors (31016884444).

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

30965759972 is a wasteful number, since it uses less digits than its factorization.

30965759972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912947 (or 912945 counting only the distinct ones).

The product of its (nonzero) digits is 32148900, while the sum is 62.

The spelling of 30965759972 in words is "thirty billion, nine hundred sixty-five million, seven hundred fifty-nine thousand, nine hundred seventy-two".