1042431231 has 8 divisors (see below), whose sum is σ = 1450339200. Its totient is φ = 664738712.

The previous prime is 1042431227. The next prime is 1042431233. The reversal of 1042431231 is 1321342401.

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 1042431231 - 2² = 1042431227 is a prime.

It is a super-2 number, since 2×1042431231² = 2173325742728350722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1042431198 and 1042431207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042431233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7553781 + ... + 7553918.

It is an arithmetic number, because the mean of its divisors is an integer number (181292400).

Almost surely, 2^1042431231 is an apocalyptic number.

1042431231 is a deficient number, since it is larger than the sum of its proper divisors (407907969).

1042431231 is a wasteful number, since it uses less digits than its factorization.

1042431231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15107725.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1042431231 is about 32286.7036254865. The cubic root of 1042431231 is about 1013.9482844595.

Adding to 1042431231 its reverse (1321342401), we get a palindrome (2363773632).

The spelling of 1042431231 in words is "one billion, forty-two million, four hundred thirty-one thousand, two hundred thirty-one".