30397321275 has 24 divisors (see below), whose sum is σ = 50311117680. Its totient is φ = 16194416640.

The previous prime is 30397321271. The next prime is 30397321303. The reversal of 30397321275 is 57212379303.

It is not a de Polignac number, because 30397321275 - 2² = 30397321271 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30397321271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 148462 + ... + 287811.

It is an arithmetic number, because the mean of its divisors is an integer number (2096296570).

Almost surely, 2^30397321275 is an apocalyptic number.

30397321275 is a deficient number, since it is larger than the sum of its proper divisors (19913796405).

30397321275 is a wasteful number, since it uses less digits than its factorization.

30397321275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437215 (or 437210 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 42.

The spelling of 30397321275 in words is "thirty billion, three hundred ninety-seven million, three hundred twenty-one thousand, two hundred seventy-five".