2311203204144 has 80 divisors (see below), whose sum is σ = 6642773689440. Its totient is φ = 769383256320.

The previous prime is 2311203204073. The next prime is 2311203204187. The reversal of 2311203204144 is 4414023021132.

2311203204144 is a `hidden beast` number, since 2 + 311 + 2 + 0 + 3 + 204 + 144 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 3206667 + ... + 3860714.

It is an arithmetic number, because the mean of its divisors is an integer number (83034671118).

Almost surely, 2^{2311203204144} is an apocalyptic number.

2311203204144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2311203204144 is an abundant number, since it is smaller than the sum of its proper divisors (4331570485296).

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

2311203204144 is a wasteful number, since it uses less digits than its factorization.

2311203204144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7068155 (or 7068143 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 2311203204144 its reverse (4414023021132), we get a palindrome (6725226225276).

The spelling of 2311203204144 in words is "two trillion, three hundred eleven billion, two hundred three million, two hundred four thousand, one hundred forty-four".