30117742137 has 80 divisors (see below), whose sum is σ = 54322224000. Its totient is φ = 16244686080.

The previous prime is 30117742093. The next prime is 30117742169. The reversal of 30117742137 is 73124771103.

It is a happy number.

30117742137 is a `hidden beast` number, since 30 + 1 + 177 + 421 + 37 = 666.

It is not a de Polignac number, because 30117742137 - 2¹⁴ = 30117725753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30117742177) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3022239 + ... + 3032187.

It is an arithmetic number, because the mean of its divisors is an integer number (679027800).

Almost surely, 2^30117742137 is an apocalyptic number.

It is an amenable number.

30117742137 is a deficient number, since it is larger than the sum of its proper divisors (24204481863).

30117742137 is a wasteful number, since it uses less digits than its factorization.

30117742137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10268 (or 10259 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 36.

The spelling of 30117742137 in words is "thirty billion, one hundred seventeen million, seven hundred forty-two thousand, one hundred thirty-seven".