316233820 has 96 divisors (see below), whose sum is σ = 799021440. Its totient is φ = 102850560.

The previous prime is 316233803. The next prime is 316233829. The reversal of 316233820 is 28332613.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316233829) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 211636 + ... + 213124.

It is an arithmetic number, because the mean of its divisors is an integer number (8323140).

Almost surely, 2^316233820 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 316233820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (399510720).

316233820 is an abundant number, since it is smaller than the sum of its proper divisors (482787620).

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

316233820 is a wasteful number, since it uses less digits than its factorization.

316233820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1583 (or 1581 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 316233820 is about 17782.9643198202. The cubic root of 316233820 is about 681.2964166673.

The spelling of 316233820 in words is "three hundred sixteen million, two hundred thirty-three thousand, eight hundred twenty".