30651017121 has 12 divisors (see below), whose sum is σ = 44275498020. Its totient is φ = 20433177600.

The previous prime is 30651017083. The next prime is 30651017141. The reversal of 30651017121 is 12171015603.

30651017121 is a `hidden beast` number, since 3 + 0 + 651 + 0 + 1 + 7 + 1 + 2 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4673636496 + 25977380625 = 68364^2 + 161175^2 .

It is not a de Polignac number, because 30651017121 - 2⁷ = 30651016993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30651017141) 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, 232321 + ... + 339521.

It is an arithmetic number, because the mean of its divisors is an integer number (3689624835).

Almost surely, 2^30651017121 is an apocalyptic number.

It is an amenable number.

30651017121 is a deficient number, since it is larger than the sum of its proper divisors (13624480899).

30651017121 is a wasteful number, since it uses less digits than its factorization.

30651017121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138976 (or 138973 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The spelling of 30651017121 in words is "thirty billion, six hundred fifty-one million, seventeen thousand, one hundred twenty-one".