2310040321220 has 24 divisors (see below), whose sum is σ = 4851243944064. Its totient is φ = 923985791456.

The previous prime is 2310040321201. The next prime is 2310040321247. The reversal of 2310040321220 is 221230400132.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2310040321192 and 2310040321201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1266572 + ... + 2494851.

It is an arithmetic number, because the mean of its divisors is an integer number (202135164336).

Almost surely, 2^{2310040321220} is an apocalyptic number.

2310040321220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2310040321220 is an abundant number, since it is smaller than the sum of its proper divisors (2541203622844).

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

2310040321220 is a wasteful number, since it uses less digits than its factorization.

2310040321220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3792139 (or 3792137 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 2310040321220 its reverse (221230400132), we get a palindrome (2531270721352).

The spelling of 2310040321220 in words is "two trillion, three hundred ten billion, forty million, three hundred twenty-one thousand, two hundred twenty".