431323106 has 4 divisors (see below), whose sum is σ = 646984662. Its totient is φ = 215661552.

The previous prime is 431323073. The next prime is 431323111. The reversal of 431323106 is 601323134.

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

It can be written as a sum of positive squares in only one way, i.e., 402604225 + 28718881 = 20065^2 + 5359^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107830775 + ... + 107830778.

Almost surely, 2^431323106 is an apocalyptic number.

431323106 is a deficient number, since it is larger than the sum of its proper divisors (215661556).

431323106 is a wasteful number, since it uses less digits than its factorization.

431323106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215661555.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 431323106 is about 20768.3197683395. The cubic root of 431323106 is about 755.5575934473.

The spelling of 431323106 in words is "four hundred thirty-one million, three hundred twenty-three thousand, one hundred six".