2311300304340 has 384 divisors, whose sum is σ = 6994391040000. Its totient is φ = 568884805632.

The previous prime is 2311300304309. The next prime is 2311300304359. The reversal of 2311300304340 is 434030031132.

It is a self number, because there is not a number n which added to its sum of digits gives 2311300304340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1850520036 + ... + 1850521284.

It is an arithmetic number, because the mean of its divisors is an integer number (18214560000).

Almost surely, 2^{2311300304340} is an apocalyptic number.

2311300304340 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 2311300304340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3497195520000).

2311300304340 is an abundant number, since it is smaller than the sum of its proper divisors (4683090735660).

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

2311300304340 is a wasteful number, since it uses less digits than its factorization.

2311300304340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1711 (or 1709 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 2311300304340 its reverse (434030031132), we get a palindrome (2745330335472).

The spelling of 2311300304340 in words is "two trillion, three hundred eleven billion, three hundred million, three hundred four thousand, three hundred forty".