2313221133120 has 224 divisors, whose sum is σ = 7903992254976. Its totient is φ = 571055308800.

The previous prime is 2313221133077. The next prime is 2313221133131. The reversal of 2313221133120 is 213311223132.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166296 + ... + 2157335.

Almost surely, 2^{2313221133120} is an apocalyptic number.

2313221133120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2313221133120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3951996127488).

2313221133120 is an abundant number, since it is smaller than the sum of its proper divisors (5590771121856).

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

2313221133120 is a wasteful number, since it uses less digits than its factorization.

2313221133120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2323729 (or 2323719 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 2313221133120 its reverse (213311223132), we get a palindrome (2526532356252).

The spelling of 2313221133120 in words is "two trillion, three hundred thirteen billion, two hundred twenty-one million, one hundred thirty-three thousand, one hundred twenty".