2311313130000 has 500 divisors, whose sum is σ = 9553552134720. Its totient is φ = 528298848000.

The previous prime is 2311313129999. The next prime is 2311313130013. The reversal of 2311313130000 is 313131132.

It is a happy number.

2311313130000 is a `hidden beast` number, since 231 + 1 + 3 + 131 + 300 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (500).

It is a Harshad number since it is a multiple of its sum of digits (18).

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 99 ways as a sum of consecutive naturals, for example, 5466181 + ... + 5873819.

Almost surely, 2^{2311313130000} is an apocalyptic number.

2311313130000 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 2311313130000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4776776067360).

2311313130000 is an abundant number, since it is smaller than the sum of its proper divisors (7242239004720).

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

2311313130000 is an equidigital number, since it uses as much as digits as its factorization.

2311313130000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407686 (or 407656 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 2311313130000 its reverse (313131132), we get a palindrome (2311626261132).

The spelling of 2311313130000 in words is "two trillion, three hundred eleven billion, three hundred thirteen million, one hundred thirty thousand".