431426342 has 4 divisors (see below), whose sum is σ = 647139516. Its totient is φ = 215713170.

The previous prime is 431426329. The next prime is 431426377. The reversal of 431426342 is 243624134.

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

It is a super-2 number, since 2×431426342² = 372257377143001928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107856584 + ... + 107856587.

It is an arithmetic number, because the mean of its divisors is an integer number (161784879).

Almost surely, 2^431426342 is an apocalyptic number.

431426342 is a deficient number, since it is larger than the sum of its proper divisors (215713174).

431426342 is a wasteful number, since it uses less digits than its factorization.

431426342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215713173.

The product of its digits is 13824, while the sum is 29.

The square root of 431426342 is about 20770.8050397668. The cubic root of 431426342 is about 755.6178688498.

The spelling of 431426342 in words is "four hundred thirty-one million, four hundred twenty-six thousand, three hundred forty-two".