1043112431 has 2 divisors, whose sum is σ = 1043112432. Its totient is φ = 1043112430.

The previous prime is 1043112419. The next prime is 1043112437. The reversal of 1043112431 is 1342113401.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1043112431 is a prime.

It is a super-2 number, since 2×1043112431² = 2176167087413459522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1043112437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521556215 + 521556216.

It is an arithmetic number, because the mean of its divisors is an integer number (521556216).

Almost surely, 2^1043112431 is an apocalyptic number.

1043112431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043112431 is an equidigital number, since it uses as much as digits as its factorization.

1043112431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1043112431 is about 32297.2511369002. The cubic root of 1043112431 is about 1014.1690987617.

Adding to 1043112431 its reverse (1342113401), we get a palindrome (2385225832).

The spelling of 1043112431 in words is "one billion, forty-three million, one hundred twelve thousand, four hundred thirty-one".