2331156 has 12 divisors (see below), whose sum is σ = 5439392. Its totient is φ = 777048.

The previous prime is 2331151. The next prime is 2331163. The reversal of 2331156 is 6511332.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×2331156³ = 38004521303200333248, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2331151) 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, 97120 + ... + 97143.

2^2331156 is an apocalyptic number.

It is an amenable number.

2331156 is an abundant number, since it is smaller than the sum of its proper divisors (3108236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2331156 is a wasteful number, since it uses less digits than its factorization.

2331156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194270 (or 194268 counting only the distinct ones).

The product of its digits is 540, while the sum is 21.

The square root of 2331156 is about 1526.8123656822. The cubic root of 2331156 is about 132.5939715483.

Adding to 2331156 its reverse (6511332), we get a palindrome (8842488).

The spelling of 2331156 in words is "two million, three hundred thirty-one thousand, one hundred fifty-six".