2311313123200 has 48 divisors (see below), whose sum is σ = 5709665707560. Its totient is φ = 924525248000.

The previous prime is 2311313123159. The next prime is 2311313123201. The reversal of 2311313123200 is 23213131132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311313123201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 361139476 + ... + 361145875.

Almost surely, 2^{2311313123200} is an apocalyptic number.

2311313123200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2311313123200 is an abundant number, since it is smaller than the sum of its proper divisors (3398352584360).

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

2311313123200 is an equidigital number, since it uses as much as digits as its factorization.

2311313123200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722285375 (or 722285358 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 2311313123200 its reverse (23213131132), we get a palindrome (2334526254332).

The spelling of 2311313123200 in words is "two trillion, three hundred eleven billion, three hundred thirteen million, one hundred twenty-three thousand, two hundred".