2312203021 has 8 divisors (see below), whose sum is σ = 2334127104. Its totient is φ = 2290337280.

The previous prime is 2312203013. The next prime is 2312203027. The reversal of 2312203021 is 1203022132.

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 2312203021 - 2³ = 2312203013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2312202986 and 2312203004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312203027) 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, 67206 + ... + 95608.

It is an arithmetic number, because the mean of its divisors is an integer number (291765888).

Almost surely, 2^2312203021 is an apocalyptic number.

It is an amenable number.

2312203021 is a deficient number, since it is larger than the sum of its proper divisors (21924083).

2312203021 is a wasteful number, since it uses less digits than its factorization.

2312203021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29171.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2312203021 is about 48085.3722144271. The cubic root of 2312203021 is about 1322.3365070314.

Adding to 2312203021 its reverse (1203022132), we get a palindrome (3515225153).

The spelling of 2312203021 in words is "two billion, three hundred twelve million, two hundred three thousand, twenty-one".