2113133020331 has 4 divisors (see below), whose sum is σ = 2181298601664. Its totient is φ = 2044967439000.

The previous prime is 2113133020321. The next prime is 2113133020333. The reversal of 2113133020331 is 1330203313112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2113133020331 is a prime.

It is a super-2 number, since 2×2113133020331² (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 = 2113133020297 and 2113133020306.

It is not an unprimeable number, because it can be changed into a prime (2113133020333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34082790620 + ... + 34082790681.

It is an arithmetic number, because the mean of its divisors is an integer number (545324650416).

Almost surely, 2^{2113133020331} is an apocalyptic number.

2113133020331 is a deficient number, since it is larger than the sum of its proper divisors (68165581333).

2113133020331 is an equidigital number, since it uses as much as digits as its factorization.

2113133020331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68165581332.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 2113133020331 its reverse (1330203313112), we get a palindrome (3443336333443).

The spelling of 2113133020331 in words is "two trillion, one hundred thirteen billion, one hundred thirty-three million, twenty thousand, three hundred thirty-one".