2313063661 has 4 divisors (see below), whose sum is σ = 2313214524. Its totient is φ = 2312912800.

The previous prime is 2313063659. The next prime is 2313063679. The reversal of 2313063661 is 1663603132.

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 851530761 + 1461532900 = 29181^2 + 38230^2 .

It is a cyclic number.

It is not a de Polignac number, because 2313063661 - 2¹ = 2313063659 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2313063601) 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, 49450 + ... + 84091.

It is an arithmetic number, because the mean of its divisors is an integer number (578303631).

Almost surely, 2^2313063661 is an apocalyptic number.

It is an amenable number.

2313063661 is a deficient number, since it is larger than the sum of its proper divisors (150863).

2313063661 is a wasteful number, since it uses less digits than its factorization.

2313063661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150862.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 2313063661 is about 48094.3204651027. The cubic root of 2313063661 is about 1322.5005518131.

Adding to 2313063661 its reverse (1663603132), we get a palindrome (3976666793).

The spelling of 2313063661 in words is "two billion, three hundred thirteen million, sixty-three thousand, six hundred sixty-one".