30871925175001 has 3 divisors (see below), whose sum is σ = 30871930731253. Its totient is φ = 30871919618750.

The previous prime is 30871925174971. The next prime is 30871925175059. The reversal of 30871925175001 is 10057152917803.

The square root of 30871925175001 is 5556251.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a de Polignac number, because none of the positive numbers 2^k-30871925175001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30871925175901) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2778126 + ... + 8334376.

Almost surely, 2^{30871925175001} is an apocalyptic number.

30871925175001 is the 5556251-st square number.

30871925175001 is the 2778126-th centered octagonal number.

It is an amenable number.

30871925175001 is a deficient number, since it is larger than the sum of its proper divisors (5556252).

30871925175001 is an frugal number, since it uses more digits than its factorization.

30871925175001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11112502 (or 5556251 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 49.

The spelling of 30871925175001 in words is "thirty trillion, eight hundred seventy-one billion, nine hundred twenty-five million, one hundred seventy-five thousand, one".