2102331 has 32 divisors (see below), whose sum is σ = 3686400. Its totient is φ = 1032480.

The previous prime is 2102329. The next prime is 2102341. The reversal of 2102331 is 1332012.

It is a happy number.

It is not a de Polignac number, because 2102331 - 2¹ = 2102329 is a prime.

It is a super-2 number, since 2×2102331² = 8839591267122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2102311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4150 + ... + 4628.

It is an arithmetic number, because the mean of its divisors is an integer number (115200).

2^2102331 is an apocalyptic number.

2102331 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2102331 is a deficient number, since it is larger than the sum of its proper divisors (1584069).

2102331 is a wasteful number, since it uses less digits than its factorization.

2102331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 2102331 is about 1449.9417229668. The cubic root of 2102331 is about 128.1052804075.

Adding to 2102331 its reverse (1332012), we get a palindrome (3434343).

The spelling of 2102331 in words is "two million, one hundred two thousand, three hundred thirty-one".