2131220000313 has 48 divisors (see below), whose sum is σ = 3206858967936. Its totient is φ = 1362645123840.

The previous prime is 2131220000233. The next prime is 2131220000323. The reversal of 2131220000313 is 3130000221312.

2131220000313 is a `hidden beast` number, since 2 + 131 + 220 + 0 + 0 + 0 + 313 = 666.

It is not a de Polignac number, because 2131220000313 - 2¹⁶ = 2131219934777 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2131220000323) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 172185781 + ... + 172198157.

It is an arithmetic number, because the mean of its divisors is an integer number (66809561832).

Almost surely, 2^{2131220000313} is an apocalyptic number.

It is an amenable number.

2131220000313 is a deficient number, since it is larger than the sum of its proper divisors (1075638967623).

2131220000313 is a wasteful number, since it uses less digits than its factorization.

2131220000313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19774 (or 19771 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 2131220000313 its reverse (3130000221312), we get a palindrome (5261220221625).

The spelling of 2131220000313 in words is "two trillion, one hundred thirty-one billion, two hundred twenty million, three hundred thirteen", and thus it is an aban number.