30997945495 has 8 divisors (see below), whose sum is σ = 40579128720. Its totient is φ = 22543960320.

The previous prime is 30997945487. The next prime is 30997945499. The reversal of 30997945495 is 59454979903.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30997945495 - 2³ = 30997945487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30997945499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281799450 + ... + 281799559.

It is an arithmetic number, because the mean of its divisors is an integer number (5072391090).

Almost surely, 2^30997945495 is an apocalyptic number.

30997945495 is a deficient number, since it is larger than the sum of its proper divisors (9581183225).

30997945495 is a wasteful number, since it uses less digits than its factorization.

30997945495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563599025.

The product of its (nonzero) digits is 55112400, while the sum is 64.

The spelling of 30997945495 in words is "thirty billion, nine hundred ninety-seven million, nine hundred forty-five thousand, four hundred ninety-five".