309180230 has 32 divisors (see below), whose sum is σ = 565318656. Its totient is φ = 121734144.

The previous prime is 309180227. The next prime is 309180239. The reversal of 309180230 is 32081903.

It is a self number, because there is not a number n which added to its sum of digits gives 309180230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (309180239) 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, 173102 + ... + 174878.

It is an arithmetic number, because the mean of its divisors is an integer number (17666208).

Almost surely, 2^309180230 is an apocalyptic number.

309180230 is a deficient number, since it is larger than the sum of its proper divisors (256138426).

309180230 is a wasteful number, since it uses less digits than its factorization.

309180230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2048.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 309180230 is about 17583.5215471759. The cubic root of 309180230 is about 676.1928464310.

The spelling of 309180230 in words is "three hundred nine million, one hundred eighty thousand, two hundred thirty".