30190684731 has 16 divisors (see below), whose sum is σ = 40686624000. Its totient is φ = 19911508128.

The previous prime is 30190684717. The next prime is 30190684747. The reversal of 30190684731 is 13748609103.

It is not a de Polignac number, because 30190684731 - 2²⁵ = 30157130299 is a prime.

It is a super-2 number, since 2×30190684731² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30190684751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140220 + ... + 282918.

It is an arithmetic number, because the mean of its divisors is an integer number (2542914000).

Almost surely, 2^30190684731 is an apocalyptic number.

30190684731 is a deficient number, since it is larger than the sum of its proper divisors (10495939269).

30190684731 is a wasteful number, since it uses less digits than its factorization.

30190684731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143458.

The product of its (nonzero) digits is 108864, while the sum is 42.

The spelling of 30190684731 in words is "thirty billion, one hundred ninety million, six hundred eighty-four thousand, seven hundred thirty-one".