2310200131221 has 16 divisors (see below), whose sum is σ = 3502112173120. Its totient is φ = 1504316363760.

The previous prime is 2310200131219. The next prime is 2310200131223. The reversal of 2310200131221 is 1221310020132.

2310200131221 is a `hidden beast` number, since 2 + 310 + 2 + 0 + 0 + 131 + 221 = 666.

2310200131221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2310200131219) and next prime (2310200131223).

It is not a de Polignac number, because 2310200131221 - 2¹ = 2310200131219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2310200131194 and 2310200131203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2310200131223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 994917070 + ... + 994919391.

It is an arithmetic number, because the mean of its divisors is an integer number (218882010820).

Almost surely, 2^{2310200131221} is an apocalyptic number.

It is an amenable number.

2310200131221 is a deficient number, since it is larger than the sum of its proper divisors (1191912041899).

2310200131221 is a wasteful number, since it uses less digits than its factorization.

2310200131221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1989836513 (or 1989836507 counting only the distinct ones).

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

Adding to 2310200131221 its reverse (1221310020132), we get a palindrome (3531510151353).

The spelling of 2310200131221 in words is "two trillion, three hundred ten billion, two hundred million, one hundred thirty-one thousand, two hundred twenty-one".