1043340931 has 2 divisors, whose sum is σ = 1043340932. Its totient is φ = 1043340930.

The previous prime is 1043340923. The next prime is 1043341001. The reversal of 1043340931 is 1390433401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1043340931 - 2³ = 1043340923 is a prime.

It is a super-2 number, since 2×1043340931² = 2177120596599893522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1043340931.

It is not a weakly prime, because it can be changed into another prime (1043341931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521670465 + 521670466.

It is an arithmetic number, because the mean of its divisors is an integer number (521670466).

Almost surely, 2^1043340931 is an apocalyptic number.

1043340931 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043340931 is an equidigital number, since it uses as much as digits as its factorization.

1043340931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 1043340931 is about 32300.7883959510. The cubic root of 1043340931 is about 1014.2431466185.

The spelling of 1043340931 in words is "one billion, forty-three million, three hundred forty thousand, nine hundred thirty-one".