471031690 has 8 divisors (see below), whose sum is σ = 847857060. Its totient is φ = 188412672.

The previous prime is 471031667. The next prime is 471031721. The reversal of 471031690 is 96130174.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 460488681 + 10543009 = 21459^2 + 3247^2 .

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

It is a super-2 number, since 2×471031690² = 443741705968512200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23551575 + ... + 23551594.

Almost surely, 2^471031690 is an apocalyptic number.

471031690 is a deficient number, since it is larger than the sum of its proper divisors (376825370).

471031690 is a wasteful number, since it uses less digits than its factorization.

471031690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47103176.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 471031690 is about 21703.2645009916. The cubic root of 471031690 is about 778.0664854199.

The spelling of 471031690 in words is "four hundred seventy-one million, thirty-one thousand, six hundred ninety".