2113213331131 has 16 divisors (see below), whose sum is σ = 2423294599680. Its totient is φ = 1805186589120.

The previous prime is 2113213331107. The next prime is 2113213331153. The reversal of 2113213331131 is 1311333123112.

It is a cyclic number.

It is not a de Polignac number, because 2113213331131 - 2¹³ = 2113213322939 is a prime.

It is a super-2 number, since 2×2113213331131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2113213331096 and 2113213331105.

It is not an unprimeable number, because it can be changed into a prime (2113213331171) 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, 3910296 + ... + 4417786.

It is an arithmetic number, because the mean of its divisors is an integer number (151455912480).

Almost surely, 2^{2113213331131} is an apocalyptic number.

2113213331131 is a deficient number, since it is larger than the sum of its proper divisors (310081268549).

2113213331131 is a wasteful number, since it uses less digits than its factorization.

2113213331131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509514.

The product of its digits is 972, while the sum is 25.

Adding to 2113213331131 its reverse (1311333123112), we get a palindrome (3424546454243).

The spelling of 2113213331131 in words is "two trillion, one hundred thirteen billion, two hundred thirteen million, three hundred thirty-one thousand, one hundred thirty-one".