2100320413 has 2 divisors, whose sum is σ = 2100320414. Its totient is φ = 2100320412.

The previous prime is 2100320399. The next prime is 2100320459. The reversal of 2100320413 is 3140230012.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1165061689 + 935258724 = 34133^2 + 30582^2 .

It is a cyclic number.

It is not a de Polignac number, because 2100320413 - 2⁵ = 2100320381 is a prime.

It is a super-2 number, since 2×2100320413² = 8822691674528981138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100320213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050160206 + 1050160207.

It is an arithmetic number, because the mean of its divisors is an integer number (1050160207).

Almost surely, 2^2100320413 is an apocalyptic number.

It is an amenable number.

2100320413 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100320413 is an equidigital number, since it uses as much as digits as its factorization.

2100320413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2100320413 is about 45829.2528086592. The cubic root of 2100320413 is about 1280.6442909154.

Adding to 2100320413 its reverse (3140230012), we get a palindrome (5240550425).

The spelling of 2100320413 in words is "two billion, one hundred million, three hundred twenty thousand, four hundred thirteen".