30397333431 has 4 divisors (see below), whose sum is σ = 40529777912. Its totient is φ = 20264888952.

The previous prime is 30397333423. The next prime is 30397333469. The reversal of 30397333431 is 13433379303.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 30397333431 - 2³ = 30397333423 is a prime.

It is a super-2 number, since 2×30397333431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30397333431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30397333411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5066222236 + ... + 5066222241.

It is an arithmetic number, because the mean of its divisors is an integer number (10132444478).

Almost surely, 2^30397333431 is an apocalyptic number.

30397333431 is a deficient number, since it is larger than the sum of its proper divisors (10132444481).

30397333431 is a wasteful number, since it uses less digits than its factorization.

30397333431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10132444480.

The product of its (nonzero) digits is 183708, while the sum is 39.

The spelling of 30397333431 in words is "thirty billion, three hundred ninety-seven million, three hundred thirty-three thousand, four hundred thirty-one".