2320631 has 8 divisors (see below), whose sum is σ = 2440320. Its totient is φ = 2202552.

The previous prime is 2320627. The next prime is 2320639. The reversal of 2320631 is 1360232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2320631 - 2² = 2320627 is a prime.

It is a super-2 number, since 2×2320631² = 10770656476322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3440 + ... + 4058.

It is an arithmetic number, because the mean of its divisors is an integer number (305040).

2^2320631 is an apocalyptic number.

2320631 is a deficient number, since it is larger than the sum of its proper divisors (119689).

2320631 is a wasteful number, since it uses less digits than its factorization.

2320631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2320631 is about 1523.3617429882. The cubic root of 2320631 is about 132.3941197572.

Adding to 2320631 its reverse (1360232), we get a palindrome (3680863).

The spelling of 2320631 in words is "two million, three hundred twenty thousand, six hundred thirty-one".