30881764087016 has 32 divisors (see below), whose sum is σ = 59459269545480. Its totient is φ = 15031178035200.

The previous prime is 30881764087007. The next prime is 30881764087063. The reversal of 30881764087016 is 61078046718803.

It can be written as a sum of positive squares in 4 ways, for example, as 23950707450916 + 6931056636100 = 4893946^2 + 2632690^2 .

It is a super-2 number, since 2×30881764087016² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326150105 + ... + 326244776.

Almost surely, 2^{30881764087016} is an apocalyptic number.

It is an amenable number.

30881764087016 is a deficient number, since it is larger than the sum of its proper divisors (28577505458464).

30881764087016 is a wasteful number, since it uses less digits than its factorization.

30881764087016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652395045 (or 652395041 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 59.

The spelling of 30881764087016 in words is "thirty trillion, eight hundred eighty-one billion, seven hundred sixty-four million, eighty-seven thousand, sixteen".