2312320031237 has 2 divisors, whose sum is σ = 2312320031238. Its totient is φ = 2312320031236.

The previous prime is 2312320031183. The next prime is 2312320031249. The reversal of 2312320031237 is 7321300232132.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2249907000961 + 62413030276 = 1499969^2 + 249826^2 .

It is a cyclic number.

It is not a de Polignac number, because 2312320031237 - 2⁸ = 2312320030981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2312320031257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156160015618 + 1156160015619.

It is an arithmetic number, because the mean of its divisors is an integer number (1156160015619).

Almost surely, 2^{2312320031237} is an apocalyptic number.

It is an amenable number.

2312320031237 is a deficient number, since it is larger than the sum of its proper divisors (1).

2312320031237 is an equidigital number, since it uses as much as digits as its factorization.

2312320031237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 29.

Adding to 2312320031237 its reverse (7321300232132), we get a palindrome (9633620263369).

The spelling of 2312320031237 in words is "two trillion, three hundred twelve billion, three hundred twenty million, thirty-one thousand, two hundred thirty-seven".