42313099 has 2 divisors, whose sum is σ = 42313100. Its totient is φ = 42313098.

The previous prime is 42313091. The next prime is 42313147. The reversal of 42313099 is 99031324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42313099 - 2³ = 42313091 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42313099.

It is not a weakly prime, because it can be changed into another prime (42313091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21156549 + 21156550.

It is an arithmetic number, because the mean of its divisors is an integer number (21156550).

Almost surely, 2^42313099 is an apocalyptic number.

42313099 is a deficient number, since it is larger than the sum of its proper divisors (1).

42313099 is an equidigital number, since it uses as much as digits as its factorization.

42313099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 42313099 is about 6504.8519583462. The cubic root of 42313099 is about 348.4642892351.

The spelling of 42313099 in words is "forty-two million, three hundred thirteen thousand, ninety-nine".