30980168554 has 4 divisors (see below), whose sum is σ = 46470252834. Its totient is φ = 15490084276.

The previous prime is 30980168503. The next prime is 30980168563. The reversal of 30980168554 is 45586108903.

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

It can be written as a sum of positive squares in only one way, i.e., 26186683329 + 4793485225 = 161823^2 + 69235^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 30980168498 and 30980168507.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7745042137 + ... + 7745042140.

Almost surely, 2^30980168554 is an apocalyptic number.

30980168554 is a deficient number, since it is larger than the sum of its proper divisors (15490084280).

30980168554 is a wasteful number, since it uses less digits than its factorization.

30980168554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15490084279.

The product of its (nonzero) digits is 1036800, while the sum is 49.

The spelling of 30980168554 in words is "thirty billion, nine hundred eighty million, one hundred sixty-eight thousand, five hundred fifty-four".