473688331 has 2 divisors, whose sum is σ = 473688332. Its totient is φ = 473688330.

The previous prime is 473688227. The next prime is 473688343. The reversal of 473688331 is 133886374.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-473688331 is a prime.

It is a super-2 number, since 2×473688331² = 448761269851131122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (473688431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236844165 + 236844166.

It is an arithmetic number, because the mean of its divisors is an integer number (236844166).

Almost surely, 2^473688331 is an apocalyptic number.

473688331 is a deficient number, since it is larger than the sum of its proper divisors (1).

473688331 is an equidigital number, since it uses as much as digits as its factorization.

473688331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 43.

The square root of 473688331 is about 21764.3821644447. The cubic root of 473688331 is about 779.5265212141.

The spelling of 473688331 in words is "four hundred seventy-three million, six hundred eighty-eight thousand, three hundred thirty-one".