2311302312120 has 64 divisors (see below), whose sum is σ = 6936316416000. Its totient is φ = 616133107328.

The previous prime is 2311302312103. The next prime is 2311302312149. The reversal of 2311302312120 is 212132031132.

It is a super-2 number, since 2×2311302312120² (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 (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2999580 + ... + 3690539.

It is an arithmetic number, because the mean of its divisors is an integer number (108379944000).

Almost surely, 2^{2311302312120} is an apocalyptic number.

2311302312120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2311302312120 is an abundant number, since it is smaller than the sum of its proper divisors (4625014103880).

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

2311302312120 is a wasteful number, since it uses less digits than its factorization.

2311302312120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6693012 (or 6693008 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2311302312120 its reverse (212132031132), we get a palindrome (2523434343252).

The spelling of 2311302312120 in words is "two trillion, three hundred eleven billion, three hundred two million, three hundred twelve thousand, one hundred twenty".