2313451245505 has 8 divisors (see below), whose sum is σ = 2776151715624. Its totient is φ = 1850754182400.

The previous prime is 2313451245487. The next prime is 2313451245509. The reversal of 2313451245505 is 5055421543132.

It can be written as a sum of positive squares in 4 ways, for example, as 824651058609 + 1488800186896 = 908103^2 + 1220164^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2313451245505 - 2¹¹ = 2313451243457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2313451245509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1013415 + ... + 2377795.

It is an arithmetic number, because the mean of its divisors is an integer number (347018964453).

Almost surely, 2^{2313451245505} is an apocalyptic number.

It is an amenable number.

2313451245505 is a deficient number, since it is larger than the sum of its proper divisors (462700470119).

2313451245505 is a wasteful number, since it uses less digits than its factorization.

2313451245505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1703507.

The product of its (nonzero) digits is 360000, while the sum is 40.

Adding to 2313451245505 its reverse (5055421543132), we get a palindrome (7368872788637).

The spelling of 2313451245505 in words is "two trillion, three hundred thirteen billion, four hundred fifty-one million, two hundred forty-five thousand, five hundred five".