2113333131 has 16 divisors (see below), whose sum is σ = 3468034304. Its totient is φ = 1114725024.

The previous prime is 2113333129. The next prime is 2113333163. The reversal of 2113333131 is 1313333112.

It is not a de Polignac number, because 2113333131 - 2¹ = 2113333129 is a prime.

It is a super-3 number, since 3×2113333131³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 2113333098 and 2113333107.

It is not an unprimeable number, because it can be changed into a prime (2113332131) 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, 3870301 + ... + 3870846.

It is an arithmetic number, because the mean of its divisors is an integer number (216752144).

Almost surely, 2^2113333131 is an apocalyptic number.

2113333131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2113333131 is a deficient number, since it is larger than the sum of its proper divisors (1354701173).

2113333131 is a wasteful number, since it uses less digits than its factorization.

2113333131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7741170.

The product of its digits is 486, while the sum is 21.

The square root of 2113333131 is about 45971.0031541623. The cubic root of 2113333131 is about 1283.2836287190.

Adding to 2113333131 its reverse (1313333112), we get a palindrome (3426666243).

The spelling of 2113333131 in words is "two billion, one hundred thirteen million, three hundred thirty-three thousand, one hundred thirty-one".