30973333397 has 16 divisors (see below), whose sum is σ = 32771481600. Its totient is φ = 29227489200.

The previous prime is 30973333393. The next prime is 30973333411. The reversal of 30973333397 is 79333337903.

It is a cyclic number.

It is not a de Polignac number, because 30973333397 - 2² = 30973333393 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30973333393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 779072 + ... + 817862.

It is an arithmetic number, because the mean of its divisors is an integer number (2048217600).

Almost surely, 2^30973333397 is an apocalyptic number.

It is an amenable number.

30973333397 is a deficient number, since it is larger than the sum of its proper divisors (1798148203).

30973333397 is a wasteful number, since it uses less digits than its factorization.

30973333397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39464.

The product of its (nonzero) digits is 2893401, while the sum is 50.

The spelling of 30973333397 in words is "thirty billion, nine hundred seventy-three million, three hundred thirty-three thousand, three hundred ninety-seven".