431000431 has 8 divisors (see below), whose sum is σ = 436321728. Its totient is φ = 425700000.

The previous prime is 431000429. The next prime is 431000443. The reversal of 431000431 is 134000134.

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

It is a cyclic number.

It is not a de Polignac number, because 431000431 - 2¹ = 431000429 is a prime.

It is a super-2 number, since 2×431000431² = 371522743044371522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431000461) 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, 38581 + ... + 48481.

It is an arithmetic number, because the mean of its divisors is an integer number (54540216).

Almost surely, 2^431000431 is an apocalyptic number.

431000431 is a deficient number, since it is larger than the sum of its proper divisors (5321297).

431000431 is a wasteful number, since it uses less digits than its factorization.

431000431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10433.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 431000431 is about 20760.5498722938. The cubic root of 431000431 is about 755.3691342897.

Adding to 431000431 its reverse (134000134), we get a palindrome (565000565).

The spelling of 431000431 in words is "four hundred thirty-one million, four hundred thirty-one", and thus it is an aban number.