2313121207 has 2 divisors, whose sum is σ = 2313121208. Its totient is φ = 2313121206.

The previous prime is 2313121189. The next prime is 2313121211. The reversal of 2313121207 is 7021213132.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2313121207 - 2¹⁹ = 2312596919 is a prime.

It is a nialpdrome in base 11.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2313121607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156560603 + 1156560604.

It is an arithmetic number, because the mean of its divisors is an integer number (1156560604).

Almost surely, 2^2313121207 is an apocalyptic number.

2313121207 is a deficient number, since it is larger than the sum of its proper divisors (1).

2313121207 is an equidigital number, since it uses as much as digits as its factorization.

2313121207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 2313121207 is about 48094.9187232913. The cubic root of 2313121207 is about 1322.5115190838.

Adding to 2313121207 its reverse (7021213132), we get a palindrome (9334334339).

The spelling of 2313121207 in words is "two billion, three hundred thirteen million, one hundred twenty-one thousand, two hundred seven".