430131231 has 12 divisors (see below), whose sum is σ = 641343040. Its totient is φ = 277503840.

The previous prime is 430131217. The next prime is 430131239. The reversal of 430131231 is 132131034.

430131231 is a `hidden beast` number, since 430 + 1 + 3 + 1 + 231 = 666.

It is not a de Polignac number, because 430131231 - 2¹⁴ = 430114847 is a prime.

It is a super-2 number, since 2×430131231² = 370025751763150722, 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 (430131239) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 770566 + ... + 771123.

Almost surely, 2^430131231 is an apocalyptic number.

430131231 is a deficient number, since it is larger than the sum of its proper divisors (211211809).

430131231 is a wasteful number, since it uses less digits than its factorization.

430131231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1541726 (or 1541723 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 430131231 is about 20739.6053723305. The cubic root of 430131231 is about 754.8610074092.

Adding to 430131231 its reverse (132131034), we get a palindrome (562262265).

It can be divided in two parts, 43013 and 1231, that added together give a palindrome (44244).

The spelling of 430131231 in words is "four hundred thirty million, one hundred thirty-one thousand, two hundred thirty-one".