2313514821 has 4 divisors (see below), whose sum is σ = 3084686432. Its totient is φ = 1542343212.

The previous prime is 2313514807. The next prime is 2313514837. The reversal of 2313514821 is 1284153132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-2313514821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2313512821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385585801 + ... + 385585806.

It is an arithmetic number, because the mean of its divisors is an integer number (771171608).

Almost surely, 2^2313514821 is an apocalyptic number.

It is an amenable number.

2313514821 is a deficient number, since it is larger than the sum of its proper divisors (771171611).

2313514821 is an equidigital number, since it uses as much as digits as its factorization.

2313514821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771171610.

The product of its digits is 5760, while the sum is 30.

The square root of 2313514821 is about 48099.0106031299. The cubic root of 2313514821 is about 1322.5865302164.

Adding to 2313514821 its reverse (1284153132), we get a palindrome (3597667953).

The spelling of 2313514821 in words is "two billion, three hundred thirteen million, five hundred fourteen thousand, eight hundred twenty-one".