2313133023220 has 12 divisors (see below), whose sum is σ = 4857579348804. Its totient is φ = 925253209280.

The previous prime is 2313133023167. The next prime is 2313133023287. The reversal of 2313133023220 is 223203313132.

It can be written as a sum of positive squares in 2 ways, for example, as 1366065388944 + 947067634276 = 1168788^2 + 973174^2 .

It is a super-2 number, since 2×2313133023220² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57828325561 + ... + 57828325600.

It is an arithmetic number, because the mean of its divisors is an integer number (404798279067).

Almost surely, 2^{2313133023220} is an apocalyptic number.

2313133023220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2313133023220 is an abundant number, since it is smaller than the sum of its proper divisors (2544446325584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2313133023220 is a wasteful number, since it uses less digits than its factorization.

2313133023220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115656651170 (or 115656651168 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 2313133023220 its reverse (223203313132), we get a palindrome (2536336336352).

The spelling of 2313133023220 in words is "two trillion, three hundred thirteen billion, one hundred thirty-three million, twenty-three thousand, two hundred twenty".