30945331930 has 16 divisors (see below), whose sum is σ = 55717208064. Its totient is φ = 12374663760.

The previous prime is 30945331873. The next prime is 30945331973. The reversal of 30945331930 is 3913354903.

It is a super-2 number, since 2×30945331930² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396006 + ... + 467665.

It is an arithmetic number, because the mean of its divisors is an integer number (3482325504).

Almost surely, 2^30945331930 is an apocalyptic number.

30945331930 is a deficient number, since it is larger than the sum of its proper divisors (24771876134).

30945331930 is a wasteful number, since it uses less digits than its factorization.

30945331930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867261.

The product of its (nonzero) digits is 131220, while the sum is 40.

The spelling of 30945331930 in words is "thirty billion, nine hundred forty-five million, three hundred thirty-one thousand, nine hundred thirty".