402313207 has 2 divisors, whose sum is σ = 402313208. Its totient is φ = 402313206.

The previous prime is 402313189. The next prime is 402313229. The reversal of 402313207 is 702313204.

It is an a-pointer prime, because the next prime (402313229) can be obtained adding 402313207 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 402313207 - 2¹¹ = 402311159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402313237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201156603 + 201156604.

It is an arithmetic number, because the mean of its divisors is an integer number (201156604).

Almost surely, 2^402313207 is an apocalyptic number.

402313207 is a deficient number, since it is larger than the sum of its proper divisors (1).

402313207 is an equidigital number, since it uses as much as digits as its factorization.

402313207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 402313207 is about 20057.7468076551. The cubic root of 402313207 is about 738.2238918183.

The spelling of 402313207 in words is "four hundred two million, three hundred thirteen thousand, two hundred seven".