2101401313 has 6 divisors (see below), whose sum is σ = 2309804882. Its totient is φ = 1910364720.

The previous prime is 2101401301. The next prime is 2101401317. The reversal of 2101401313 is 3131041012.

It can be written as a sum of positive squares in only one way, i.e., 1388084049 + 713317264 = 37257^2 + 26708^2 .

It is not a de Polignac number, because 2101401313 - 2¹³ = 2101393121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2101401317) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8683356 + ... + 8683597.

Almost surely, 2^2101401313 is an apocalyptic number.

It is an amenable number.

2101401313 is a deficient number, since it is larger than the sum of its proper divisors (208403569).

2101401313 is a wasteful number, since it uses less digits than its factorization.

2101401313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17366975 (or 17366964 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2101401313 is about 45841.0439780771. The cubic root of 2101401313 is about 1280.8639416906.

Adding to 2101401313 its reverse (3131041012), we get a palindrome (5232442325).

The spelling of 2101401313 in words is "two billion, one hundred one million, four hundred one thousand, three hundred thirteen".