30155653197 has 6 divisors (see below), whose sum is σ = 43558165742. Its totient is φ = 20103768792.

The previous prime is 30155653193. The next prime is 30155653237. The reversal of 30155653197 is 79135655103.

30155653197 is a `hidden beast` number, since 3 + 0 + 1 + 556 + 5 + 3 + 1 + 97 = 666.

It can be written as a sum of positive squares in only one way, i.e., 15840487881 + 14315165316 = 125859^2 + 119646^2 .

It is not a de Polignac number, because 30155653197 - 2² = 30155653193 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30155653193) 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, 1675314058 + ... + 1675314075.

Almost surely, 2^30155653197 is an apocalyptic number.

It is an amenable number.

30155653197 is a deficient number, since it is larger than the sum of its proper divisors (13402512545).

30155653197 is a wasteful number, since it uses less digits than its factorization.

30155653197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3350628139 (or 3350628136 counting only the distinct ones).

The product of its (nonzero) digits is 425250, while the sum is 45.

The spelling of 30155653197 in words is "thirty billion, one hundred fifty-five million, six hundred fifty-three thousand, one hundred ninety-seven".