30172890319 has 16 divisors (see below), whose sum is σ = 35512767360. Its totient is φ = 25273553760.

The previous prime is 30172890313. The next prime is 30172890329. The reversal of 30172890319 is 91309827103.

It is not a de Polignac number, because 30172890319 - 2³ = 30172890311 is a prime.

It is a super-2 number, since 2×30172890319² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30172890311) 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, 114649 + ... + 271090.

It is an arithmetic number, because the mean of its divisors is an integer number (2219547960).

Almost surely, 2^30172890319 is an apocalyptic number.

30172890319 is a deficient number, since it is larger than the sum of its proper divisors (5339877041).

30172890319 is a wasteful number, since it uses less digits than its factorization.

30172890319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386310.

The product of its (nonzero) digits is 81648, while the sum is 43.

The spelling of 30172890319 in words is "thirty billion, one hundred seventy-two million, eight hundred ninety thousand, three hundred nineteen".