2311313323120 has 40 divisors (see below), whose sum is σ = 5397269909760. Its totient is φ = 920488093440.

The previous prime is 2311313323117. The next prime is 2311313323127. The reversal of 2311313323120 is 213233131132.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311313323127) 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, 63063376 + ... + 63100015.

It is an arithmetic number, because the mean of its divisors is an integer number (134931747744).

Almost surely, 2^{2311313323120} is an apocalyptic number.

2311313323120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2311313323120 is an abundant number, since it is smaller than the sum of its proper divisors (3085956586640).

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

2311313323120 is a wasteful number, since it uses less digits than its factorization.

2311313323120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126163633 (or 126163627 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 2311313323120 its reverse (213233131132), we get a palindrome (2524546454252).

The spelling of 2311313323120 in words is "two trillion, three hundred eleven billion, three hundred thirteen million, three hundred twenty-three thousand, one hundred twenty".