2313025144561 has 4 divisors (see below), whose sum is σ = 2313202414500. Its totient is φ = 2312847874624.

The previous prime is 2313025144511. The next prime is 2313025144567. The reversal of 2313025144561 is 1654415203132.

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 1812405217536 + 500619927025 = 1346256^2 + 707545^2 .

It is a cyclic number.

It is not a de Polignac number, because 2313025144561 - 2²¹ = 2313023047409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2313025144561.

It is not an unprimeable number, because it can be changed into a prime (2313025144567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88615396 + ... + 88641493.

It is an arithmetic number, because the mean of its divisors is an integer number (578300603625).

Almost surely, 2^{2313025144561} is an apocalyptic number.

It is an amenable number.

2313025144561 is a deficient number, since it is larger than the sum of its proper divisors (177269939).

2313025144561 is a wasteful number, since it uses less digits than its factorization.

2313025144561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177269938.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 2313025144561 in words is "two trillion, three hundred thirteen billion, twenty-five million, one hundred forty-four thousand, five hundred sixty-one".