2263131 has 36 divisors (see below), whose sum is σ = 3804528. Its totient is φ = 1286208.

The previous prime is 2263117. The next prime is 2263139. The reversal of 2263131 is 1313622.

2263131 is a `hidden beast` number, since 2 + 2 + 631 + 31 = 666.

It is not a de Polignac number, because 2263131 - 2⁵ = 2263099 is a prime.

It is a super-2 number, since 2×2263131² = 10243523846322, which contains 22 as substring.

2263131 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2263139) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 78025 + ... + 78053.

2^2263131 is an apocalyptic number.

2263131 is a deficient number, since it is larger than the sum of its proper divisors (1541397).

2263131 is a wasteful number, since it uses less digits than its factorization.

2263131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100 (or 68 counting only the distinct ones).

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

The square root of 2263131 is about 1504.3706325238. The cubic root of 2263131 is about 131.2914862052.

Adding to 2263131 its reverse (1313622), we get a palindrome (3576753).

The spelling of 2263131 in words is "two million, two hundred sixty-three thousand, one hundred thirty-one".