2311210252420 has 192 divisors, whose sum is σ = 5242698639360. Its totient is φ = 852745420800.

The previous prime is 2311210252399. The next prime is 2311210252433. The reversal of 2311210252420 is 242520121132.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2815115610 + ... + 2815116430.

It is an arithmetic number, because the mean of its divisors is an integer number (27305722080).

Almost surely, 2^{2311210252420} is an apocalyptic number.

2311210252420 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 2311210252420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2621349319680).

2311210252420 is an abundant number, since it is smaller than the sum of its proper divisors (2931488386940).

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

2311210252420 is a wasteful number, since it uses less digits than its factorization.

2311210252420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1574 (or 1572 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 2311210252420 its reverse (242520121132), we get a palindrome (2553730373552).

The spelling of 2311210252420 in words is "two trillion, three hundred eleven billion, two hundred ten million, two hundred fifty-two thousand, four hundred twenty".