2313021 has 8 divisors (see below), whose sum is σ = 3119040. Its totient is φ = 1524512.

The previous prime is 2313007. The next prime is 2313053. The reversal of 2313021 is 1203132.

It is a happy number.

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 2313021 - 2¹⁵ = 2280253 is a prime.

It is a super-2 number, since 2×2313021² = 10700132292882, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2312988 and 2313006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2313061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4065 + ... + 4598.

It is an arithmetic number, because the mean of its divisors is an integer number (389880).

2^2313021 is an apocalyptic number.

It is an amenable number.

2313021 is a deficient number, since it is larger than the sum of its proper divisors (806019).

2313021 is an equidigital number, since it uses as much as digits as its factorization.

2313021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8755.

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

The square root of 2313021 is about 1520.8619266718. The cubic root of 2313021 is about 132.2492421248.

Adding to 2313021 its reverse (1203132), we get a palindrome (3516153).

The spelling of 2313021 in words is "two million, three hundred thirteen thousand, twenty-one".