2312978201 has 4 divisors (see below), whose sum is σ = 2392736100. Its totient is φ = 2233220304.

The previous prime is 2312978189. The next prime is 2312978203. The reversal of 2312978201 is 1028792132.

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 674752576 + 1638225625 = 25976^2 + 40475^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2312978201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2312978203) 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, 39878906 + ... + 39878963.

It is an arithmetic number, because the mean of its divisors is an integer number (598184025).

Almost surely, 2^2312978201 is an apocalyptic number.

It is an amenable number.

2312978201 is a deficient number, since it is larger than the sum of its proper divisors (79757899).

2312978201 is an equidigital number, since it uses as much as digits as its factorization.

2312978201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79757898.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 2312978201 is about 48093.4319944002. The cubic root of 2312978201 is about 1322.4842642820.

The spelling of 2312978201 in words is "two billion, three hundred twelve million, nine hundred seventy-eight thousand, two hundred one".