30451717161 has 12 divisors (see below), whose sum is σ = 44052568560. Its totient is φ = 20270334840.

The previous prime is 30451717063. The next prime is 30451717187. The reversal of 30451717161 is 16171715403.

It is a happy number.

30451717161 is a `hidden beast` number, since 30 + 451 + 7 + 17 + 161 = 666.

It is not a de Polignac number, because 30451717161 - 2²¹ = 30449620009 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30451717561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2561235 + ... + 2573096.

It is an arithmetic number, because the mean of its divisors is an integer number (3671047380).

Almost surely, 2^30451717161 is an apocalyptic number.

It is an amenable number.

30451717161 is a deficient number, since it is larger than the sum of its proper divisors (13600851399).

30451717161 is a wasteful number, since it uses less digits than its factorization.

30451717161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5134996 (or 5134993 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The spelling of 30451717161 in words is "thirty billion, four hundred fifty-one million, seven hundred seventeen thousand, one hundred sixty-one".