431441434 has 4 divisors (see below), whose sum is σ = 647162154. Its totient is φ = 215720716.

The previous prime is 431441431. The next prime is 431441443. The reversal of 431441434 is 434144134.

It is a happy number.

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., 383180625 + 48260809 = 19575^2 + 6947^2 .

It is a super-2 number, since 2×431441434² = 372283421943952712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (431441431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107860357 + ... + 107860360.

Almost surely, 2^431441434 is an apocalyptic number.

431441434 is a deficient number, since it is larger than the sum of its proper divisors (215720720).

431441434 is a wasteful number, since it uses less digits than its factorization.

431441434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215720719.

The product of its digits is 9216, while the sum is 28.

The square root of 431441434 is about 20771.1683349782. The cubic root of 431441434 is about 755.6266796639.

Adding to 431441434 its reverse (434144134), we get a palindrome (865585568).

The spelling of 431441434 in words is "four hundred thirty-one million, four hundred forty-one thousand, four hundred thirty-four".