1043948231 has 2 divisors, whose sum is σ = 1043948232. Its totient is φ = 1043948230.

The previous prime is 1043948207. The next prime is 1043948233. The reversal of 1043948231 is 1328493401.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1043948231 is a prime.

It is a super-2 number, since 2×1043948231² = 2179655818016058722, which contains 22 as substring.

Together with 1043948233, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1043948191 and 1043948200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1043948233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521974115 + 521974116.

It is an arithmetic number, because the mean of its divisors is an integer number (521974116).

Almost surely, 2^1043948231 is an apocalyptic number.

1043948231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043948231 is an equidigital number, since it uses as much as digits as its factorization.

1043948231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 1043948231 is about 32310.1877277121. The cubic root of 1043948231 is about 1014.4398961099.

The spelling of 1043948231 in words is "one billion, forty-three million, nine hundred forty-eight thousand, two hundred thirty-one".