431344131 has 8 divisors (see below), whose sum is σ = 575221440. Its totient is φ = 287514792.

The previous prime is 431344117. The next prime is 431344141. The reversal of 431344131 is 131443134.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-431344131 is a prime.

It is a super-2 number, since 2×431344131² = 372115518696290322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (431344141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29796 + ... + 41838.

It is an arithmetic number, because the mean of its divisors is an integer number (71902680).

Almost surely, 2^431344131 is an apocalyptic number.

431344131 is a deficient number, since it is larger than the sum of its proper divisors (143877309).

431344131 is a wasteful number, since it uses less digits than its factorization.

431344131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23985.

The product of its digits is 1728, while the sum is 24.

The square root of 431344131 is about 20768.8259417811. The cubic root of 431344131 is about 755.5698698901.

Adding to 431344131 its reverse (131443134), we get a palindrome (562787265).

The spelling of 431344131 in words is "four hundred thirty-one million, three hundred forty-four thousand, one hundred thirty-one".