431336434 has 16 divisors (see below), whose sum is σ = 677460672. Its totient is φ = 205580848.

The previous prime is 431336407. The next prime is 431336443. The reversal of 431336434 is 434633134.

It is a super-2 number, since 2×431336434² = 372102238591672712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 431336396 and 431336405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2524 + ... + 29479.

It is an arithmetic number, because the mean of its divisors is an integer number (42341292).

Almost surely, 2^431336434 is an apocalyptic number.

431336434 is a deficient number, since it is larger than the sum of its proper divisors (246124238).

431336434 is a wasteful number, since it uses less digits than its factorization.

431336434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32321.

The product of its digits is 31104, while the sum is 31.

The square root of 431336434 is about 20768.6406391945. The cubic root of 431336434 is about 755.5653756781.

Adding to 431336434 its reverse (434633134), we get a palindrome (865969568).

The spelling of 431336434 in words is "four hundred thirty-one million, three hundred thirty-six thousand, four hundred thirty-four".