316405230 has 32 divisors (see below), whose sum is σ = 773704224. Its totient is φ = 82782336.

The previous prime is 316405211. The next prime is 316405277. The reversal of 316405230 is 32504613.

It is a happy number.

It is a super-2 number, since 2×316405230² = 200224539142705800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 316405230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97909 + ... + 101088.

It is an arithmetic number, because the mean of its divisors is an integer number (24178257).

Almost surely, 2^316405230 is an apocalyptic number.

316405230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

316405230 is an abundant number, since it is smaller than the sum of its proper divisors (457298994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

316405230 is a wasteful number, since it uses less digits than its factorization.

316405230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199060.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 316405230 is about 17787.7831671066. The cubic root of 316405230 is about 681.4194900790.

Adding to 316405230 its reverse (32504613), we get a palindrome (348909843).

The spelling of 316405230 in words is "three hundred sixteen million, four hundred five thousand, two hundred thirty".