2113321307 has 2 divisors, whose sum is σ = 2113321308. Its totient is φ = 2113321306.

The previous prime is 2113321283. The next prime is 2113321339. The reversal of 2113321307 is 7031233112.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2113321307 is a prime.

It is a super-2 number, since 2×2113321307² = 8932253893240376498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2113321807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056660653 + 1056660654.

It is an arithmetic number, because the mean of its divisors is an integer number (1056660654).

Almost surely, 2^2113321307 is an apocalyptic number.

2113321307 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113321307 is an equidigital number, since it uses as much as digits as its factorization.

2113321307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 2113321307 is about 45970.8745511764. The cubic root of 2113321307 is about 1283.2812354106.

Adding to 2113321307 its reverse (7031233112), we get a palindrome (9144554419).

The spelling of 2113321307 in words is "two billion, one hundred thirteen million, three hundred twenty-one thousand, three hundred seven".