316133820 has 96 divisors (see below), whose sum is σ = 988243200. Its totient is φ = 83898432.

The previous prime is 316133801. The next prime is 316133833. The reversal of 316133820 is 28331613.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121291 + ... + 123869.

It is an arithmetic number, because the mean of its divisors is an integer number (10294200).

Almost surely, 2^316133820 is an apocalyptic number.

316133820 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 316133820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (494121600).

316133820 is an abundant number, since it is smaller than the sum of its proper divisors (672109380).

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

316133820 is a wasteful number, since it uses less digits than its factorization.

316133820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2824 (or 2816 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 316133820 is about 17780.1524177944. The cubic root of 316133820 is about 681.2245955232.

The spelling of 316133820 in words is "three hundred sixteen million, one hundred thirty-three thousand, eight hundred twenty".