2313220144 has 20 divisors (see below), whose sum is σ = 4525380496. Its totient is φ = 1145380032.

The previous prime is 2313220111. The next prime is 2313220153. The reversal of 2313220144 is 4410223132.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 700179 + ... + 703474.

Almost surely, 2^2313220144 is an apocalyptic number.

It is an amenable number.

2313220144 is a deficient number, since it is larger than the sum of its proper divisors (2212160352).

2313220144 is a wasteful number, since it uses less digits than its factorization.

2313220144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403764 (or 1403758 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2313220144 is about 48095.9472720935. The cubic root of 2313220144 is about 1322.5303743368.

Adding to 2313220144 its reverse (4410223132), we get a palindrome (6723443276).

The spelling of 2313220144 in words is "two billion, three hundred thirteen million, two hundred twenty thousand, one hundred forty-four".