471431091 has 4 divisors (see below), whose sum is σ = 628574792. Its totient is φ = 314287392.

The previous prime is 471431089. The next prime is 471431099. The reversal of 471431091 is 190134174.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 471431091 - 2¹ = 471431089 is a prime.

It is a super-2 number, since 2×471431091² = 444494547122900562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (471431099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78571846 + ... + 78571851.

It is an arithmetic number, because the mean of its divisors is an integer number (157143698).

Almost surely, 2^471431091 is an apocalyptic number.

471431091 is a deficient number, since it is larger than the sum of its proper divisors (157143701).

471431091 is a wasteful number, since it uses less digits than its factorization.

471431091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157143700.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 471431091 is about 21712.4639550651. The cubic root of 471431091 is about 778.2863381008.

The spelling of 471431091 in words is "four hundred seventy-one million, four hundred thirty-one thousand, ninety-one".