2311010212320 has 144 divisors (see below), whose sum is σ = 7974933155280. Its totient is φ = 609344980992.

The previous prime is 2311010212267. The next prime is 2311010212321. The reversal of 2311010212320 is 232120101132.

2311010212320 is a `hidden beast` number, since 2 + 31 + 101 + 0 + 212 + 320 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2311010212293 and 2311010212302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311010212321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8887954 + ... + 9144273.

It is an arithmetic number, because the mean of its divisors is an integer number (55381480245).

Almost surely, 2^{2311010212320} is an apocalyptic number.

2311010212320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2311010212320 is an abundant number, since it is smaller than the sum of its proper divisors (5663922942960).

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

2311010212320 is a wasteful number, since it uses less digits than its factorization.

2311010212320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18032337 (or 18032326 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2311010212320 its reverse (232120101132), we get a palindrome (2543130313452).

The spelling of 2311010212320 in words is "two trillion, three hundred eleven billion, ten million, two hundred twelve thousand, three hundred twenty".