102311930 has 16 divisors (see below), whose sum is σ = 210470400. Its totient is φ = 35078352.

The previous prime is 102311927. The next prime is 102311947. The reversal of 102311930 is 39113201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 730730 + ... + 730869.

It is an arithmetic number, because the mean of its divisors is an integer number (13154400).

Almost surely, 2^102311930 is an apocalyptic number.

102311930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102311930 is an abundant number, since it is smaller than the sum of its proper divisors (108158470).

102311930 is a wasteful number, since it uses less digits than its factorization.

102311930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461613.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 102311930 is about 10114.9359859566. The cubic root of 102311930 is about 467.7086755597.

The spelling of 102311930 in words is "one hundred two million, three hundred eleven thousand, nine hundred thirty".