431314642 has 32 divisors (see below), whose sum is σ = 716040000. Its totient is φ = 193224000.

The previous prime is 431314627. The next prime is 431314643. The reversal of 431314642 is 246413134.

It is a self number, because there is not a number n which added to its sum of digits gives 431314642.

It is not an unprimeable number, because it can be changed into a prime (431314643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 864109 + ... + 864607.

It is an arithmetic number, because the mean of its divisors is an integer number (22376250).

Almost surely, 2^431314642 is an apocalyptic number.

431314642 is a deficient number, since it is larger than the sum of its proper divisors (284725358).

431314642 is a wasteful number, since it uses less digits than its factorization.

431314642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002.

The product of its digits is 6912, while the sum is 28.

The square root of 431314642 is about 20768.1159954388. The cubic root of 431314642 is about 755.5526512271.

Adding to 431314642 its reverse (246413134), we get a palindrome (677727776).

The spelling of 431314642 in words is "four hundred thirty-one million, three hundred fourteen thousand, six hundred forty-two".