316133493 has 32 divisors (see below), whose sum is σ = 467709312. Its totient is φ = 188697600.

The previous prime is 316133423. The next prime is 316133501. The reversal of 316133493 is 394331613.

It is not a de Polignac number, because 316133493 - 2¹² = 316129397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316133423) 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, 336921 + ... + 337857.

It is an arithmetic number, because the mean of its divisors is an integer number (14615916).

Almost surely, 2^316133493 is an apocalyptic number.

It is an amenable number.

316133493 is a deficient number, since it is larger than the sum of its proper divisors (151575819).

316133493 is a wasteful number, since it uses less digits than its factorization.

316133493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205.

The product of its digits is 17496, while the sum is 33.

The square root of 316133493 is about 17780.1432221453. The cubic root of 316133493 is about 681.2243606432.

The spelling of 316133493 in words is "three hundred sixteen million, one hundred thirty-three thousand, four hundred ninety-three".