431661134 has 4 divisors (see below), whose sum is σ = 647491704. Its totient is φ = 215830566.

The previous prime is 431661121. The next prime is 431661149. The reversal of 431661134 is 431166134.

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

It is a junction number, because it is equal to n+sod(n) for n = 431661097 and 431661106.

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, 107915282 + ... + 107915285.

It is an arithmetic number, because the mean of its divisors is an integer number (161872926).

Almost surely, 2^431661134 is an apocalyptic number.

431661134 is a deficient number, since it is larger than the sum of its proper divisors (215830570).

431661134 is a wasteful number, since it uses less digits than its factorization.

431661134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215830569.

The product of its digits is 5184, while the sum is 29.

The square root of 431661134 is about 20776.4562425838. The cubic root of 431661134 is about 755.7549187848.

The spelling of 431661134 in words is "four hundred thirty-one million, six hundred sixty-one thousand, one hundred thirty-four".