2311130542000 has 160 divisors (see below), whose sum is σ = 6433267351680. Its totient is φ = 786603110400.

The previous prime is 2311130541997. The next prime is 2311130542003. The reversal of 2311130542000 is 2450311132.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2311130541997) and next prime (2311130542003).

It is not an unprimeable number, because it can be changed into a prime (2311130542003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1315516 + ... + 2520484.

It is an arithmetic number, because the mean of its divisors is an integer number (40207920948).

Almost surely, 2^{2311130542000} is an apocalyptic number.

2311130542000 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 2311130542000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3216633675840).

2311130542000 is an abundant number, since it is smaller than the sum of its proper divisors (4122136809680).

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

2311130542000 is a wasteful number, since it uses less digits than its factorization.

2311130542000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205136 (or 1205120 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 2311130542000 its reverse (2450311132), we get a palindrome (2313580853132).

The spelling of 2311130542000 in words is "two trillion, three hundred eleven billion, one hundred thirty million, five hundred forty-two thousand".