2113331377 has 2 divisors, whose sum is σ = 2113331378. Its totient is φ = 2113331376.

The previous prime is 2113331323. The next prime is 2113331383. The reversal of 2113331377 is 7731333112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1682312256 + 431019121 = 41016^2 + 20761^2 .

It is a cyclic number.

It is not a de Polignac number, because 2113331377 - 2¹¹ = 2113329329 is a prime.

It is a super-2 number, since 2×2113331377² = 8932339018025432258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2113331317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056665688 + 1056665689.

It is an arithmetic number, because the mean of its divisors is an integer number (1056665689).

Almost surely, 2^2113331377 is an apocalyptic number.

It is an amenable number.

2113331377 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113331377 is an equidigital number, since it uses as much as digits as its factorization.

2113331377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7938, while the sum is 31.

The square root of 2113331377 is about 45970.9840769153. The cubic root of 2113331377 is about 1283.2832736906.

Adding to 2113331377 its reverse (7731333112), we get a palindrome (9844664489).

The spelling of 2113331377 in words is "two billion, one hundred thirteen million, three hundred thirty-one thousand, three hundred seventy-seven".