2331516377 has 2 divisors, whose sum is σ = 2331516378. Its totient is φ = 2331516376.

The previous prime is 2331516359. The next prime is 2331516379. The reversal of 2331516377 is 7736151332.

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., 1886686096 + 444830281 = 43436^2 + 21091^2 .

It is a cyclic number.

It is not a de Polignac number, because 2331516377 - 2¹⁰ = 2331515353 is a prime.

It is a super-2 number, since 2×2331516377² = 10871937232438412258, which contains 22 as substring.

Together with 2331516379, it forms a pair of twin primes.

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 2331516377.

It is not a weakly prime, because it can be changed into another prime (2331516379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1165758188 + 1165758189.

It is an arithmetic number, because the mean of its divisors is an integer number (1165758189).

Almost surely, 2^2331516377 is an apocalyptic number.

It is an amenable number.

2331516377 is a deficient number, since it is larger than the sum of its proper divisors (1).

2331516377 is an equidigital number, since it uses as much as digits as its factorization.

2331516377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 79380, while the sum is 38.

The square root of 2331516377 is about 48285.7782064243. The cubic root of 2331516377 is about 1326.0080383176.

The spelling of 2331516377 in words is "two billion, three hundred thirty-one million, five hundred sixteen thousand, three hundred seventy-seven".