2101313201 has 4 divisors (see below), whose sum is σ = 2262952692. Its totient is φ = 1939673712.

The previous prime is 2101313191. The next prime is 2101313239. The reversal of 2101313201 is 1023131012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 163200625 + 1938112576 = 12775^2 + 44024^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2101313201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2101313701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80819726 + ... + 80819751.

It is an arithmetic number, because the mean of its divisors is an integer number (565738173).

Almost surely, 2^2101313201 is an apocalyptic number.

It is an amenable number.

2101313201 is a deficient number, since it is larger than the sum of its proper divisors (161639491).

2101313201 is a wasteful number, since it uses less digits than its factorization.

2101313201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161639490.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 2101313201 is about 45840.0829078657. The cubic root of 2101313201 is about 1280.8460391826.

Adding to 2101313201 its reverse (1023131012), we get a palindrome (3124444213).

The spelling of 2101313201 in words is "two billion, one hundred one million, three hundred thirteen thousand, two hundred one".