2311143112004 has 12 divisors (see below), whose sum is σ = 4061282607228. Its totient is φ = 1150776652800.

The previous prime is 2311143111931. The next prime is 2311143112009. The reversal of 2311143112004 is 4002113411132.

It can be written as a sum of positive squares in 2 ways, for example, as 914605322500 + 1396537789504 = 956350^2 + 1181752^2 .

It is not an unprimeable number, because it can be changed into a prime (2311143112009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1198724717 + ... + 1198726644.

It is an arithmetic number, because the mean of its divisors is an integer number (338440217269).

Almost surely, 2^{2311143112004} is an apocalyptic number.

It is an amenable number.

2311143112004 is a deficient number, since it is larger than the sum of its proper divisors (1750139495224).

2311143112004 is a wasteful number, since it uses less digits than its factorization.

2311143112004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2397451606 (or 2397451604 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 2311143112004 its reverse (4002113411132), we get a palindrome (6313256523136).

The spelling of 2311143112004 in words is "two trillion, three hundred eleven billion, one hundred forty-three million, one hundred twelve thousand, four".