472931931 has 8 divisors (see below), whose sum is σ = 645240640. Its totient is φ = 307955592.

The previous prime is 472931867. The next prime is 472931947. The reversal of 472931931 is 139139274.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 472931931 - 2⁶ = 472931867 is a prime.

It is a super-2 number, since 2×472931931² = 447329222718777522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 472931931.

It is not an unprimeable number, because it can be changed into a prime (472931951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1832941 + ... + 1833198.

It is an arithmetic number, because the mean of its divisors is an integer number (80655080).

Almost surely, 2^472931931 is an apocalyptic number.

472931931 is a deficient number, since it is larger than the sum of its proper divisors (172308709).

472931931 is a wasteful number, since it uses less digits than its factorization.

472931931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3666185.

The product of its digits is 40824, while the sum is 39.

The square root of 472931931 is about 21746.9982066491. The cubic root of 472931931 is about 779.1113762413. Note that the first 3 decimals are identical.

It can be divided in two parts, 4729319 and 31, that added together give a triangular number (4729350 = T₃₀₇₅).

The spelling of 472931931 in words is "four hundred seventy-two million, nine hundred thirty-one thousand, nine hundred thirty-one".