2931043 has 2 divisors, whose sum is σ = 2931044. Its totient is φ = 2931042.

The previous prime is 2931041. The next prime is 2931053. The reversal of 2931043 is 3401392.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2931043 - 2¹ = 2931041 is a prime.

Together with 2931041, it forms a pair of twin primes.

It is equal to p₂₁₂₁₉₇ and since 2931043 and 212197 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (2931041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1465521 + 1465522.

It is an arithmetic number, because the mean of its divisors is an integer number (1465522).

2^2931043 is an apocalyptic number.

2931043 is a deficient number, since it is larger than the sum of its proper divisors (1).

2931043 is an equidigital number, since it uses as much as digits as its factorization.

2931043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 2931043 is about 1712.0289133072. The cubic root of 2931043 is about 143.1113449721. Note that the first 3 decimals are identical.

The spelling of 2931043 in words is "two million, nine hundred thirty-one thousand, forty-three".