1043231431 has 8 divisors (see below), whose sum is σ = 1143792000. Its totient is φ = 943624440.

The previous prime is 1043231407. The next prime is 1043231477. The reversal of 1043231431 is 1341323401.

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

It is not a de Polignac number, because 1043231431 - 2¹³ = 1043223239 is a prime.

It is a super-2 number, since 2×1043231431² = 2176663637252615522, 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 (1043231491) 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, 236101 + ... + 240478.

It is an arithmetic number, because the mean of its divisors is an integer number (142974000).

Almost surely, 2^1043231431 is an apocalyptic number.

1043231431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1043231431 is a deficient number, since it is larger than the sum of its proper divisors (100560569).

1043231431 is a wasteful number, since it uses less digits than its factorization.

1043231431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476789.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1043231431 is about 32299.0933464083. The cubic root of 1043231431 is about 1014.2076633274.

Adding to 1043231431 its reverse (1341323401), we get a palindrome (2384554832).

The spelling of 1043231431 in words is "one billion, forty-three million, two hundred thirty-one thousand, four hundred thirty-one".