30201880257 has 6 divisors (see below), whose sum is σ = 43624938162. Its totient is φ = 20134586832.

The previous prime is 30201880249. The next prime is 30201880271. The reversal of 30201880257 is 75208810203.

It can be written as a sum of positive squares in only one way, i.e., 15637252401 + 14564627856 = 125049^2 + 120684^2 .

It is not a de Polignac number, because 30201880257 - 2³ = 30201880249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30201880237) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1677882228 + ... + 1677882245.

It is an arithmetic number, because the mean of its divisors is an integer number (7270823027).

Almost surely, 2^30201880257 is an apocalyptic number.

It is an amenable number.

30201880257 is a deficient number, since it is larger than the sum of its proper divisors (13423057905).

30201880257 is a wasteful number, since it uses less digits than its factorization.

30201880257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3355764479 (or 3355764476 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The spelling of 30201880257 in words is "thirty billion, two hundred one million, eight hundred eighty thousand, two hundred fifty-seven".