1043056431 has 12 divisors (see below), whose sum is σ = 1510515240. Its totient is φ = 693581040.

The previous prime is 1043056429. The next prime is 1043056459. The reversal of 1043056431 is 1346503401.

1043056431 is a `hidden beast` number, since 10 + 4 + 3 + 0 + 5 + 643 + 1 = 666.

It is not a de Polignac number, because 1043056431 - 2¹ = 1043056429 is a prime.

It is a super-2 number, since 2×1043056431² = 2175933436500915522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1043056395 and 1043056404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043052431) 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 11 ways as a sum of consecutive naturals, for example, 145465 + ... + 152466.

It is an arithmetic number, because the mean of its divisors is an integer number (125876270).

Almost surely, 2^1043056431 is an apocalyptic number.

1043056431 is a deficient number, since it is larger than the sum of its proper divisors (467458809).

1043056431 is a wasteful number, since it uses less digits than its factorization.

1043056431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298326 (or 298323 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 1043056431 is about 32296.3841784185. The cubic root of 1043056431 is about 1014.1509497158.

Adding to 1043056431 its reverse (1346503401), we get a palindrome (2389559832).

The spelling of 1043056431 in words is "one billion, forty-three million, fifty-six thousand, four hundred thirty-one".