30961338363575 has 12 divisors (see below), whose sum is σ = 38393119756728. Its totient is φ = 24768386700000.

The previous prime is 30961338363563. The next prime is 30961338363667. The reversal of 30961338363575 is 57536383316903.

It is a happy number.

It is not a de Polignac number, because 30961338363575 - 2¹⁸ = 30961338101431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16175372 + ... + 17987921.

It is an arithmetic number, because the mean of its divisors is an integer number (3199426646394).

Almost surely, 2^{30961338363575} is an apocalyptic number.

30961338363575 is a deficient number, since it is larger than the sum of its proper divisors (7431781393153).

30961338363575 is a wasteful number, since it uses less digits than its factorization.

30961338363575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34199554 (or 34199549 counting only the distinct ones).

The product of its (nonzero) digits is 110224800, while the sum is 62.

The spelling of 30961338363575 in words is "thirty trillion, nine hundred sixty-one billion, three hundred thirty-eight million, three hundred sixty-three thousand, five hundred seventy-five".