2312330002021 has 4 divisors (see below), whose sum is σ = 2490201540652. Its totient is φ = 2134458463392.

The previous prime is 2312330002001. The next prime is 2312330002049. The reversal of 2312330002021 is 1202000332132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 984560062500 + 1327769939521 = 992250^2 + 1152289^2 .

It is a cyclic number.

It is not a de Polignac number, because 2312330002021 - 2³¹ = 2310182518373 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2312330002021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312330002001) 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, 88935769296 + ... + 88935769321.

It is an arithmetic number, because the mean of its divisors is an integer number (622550385163).

Almost surely, 2^{2312330002021} is an apocalyptic number.

It is an amenable number.

2312330002021 is a deficient number, since it is larger than the sum of its proper divisors (177871538631).

2312330002021 is a wasteful number, since it uses less digits than its factorization.

2312330002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177871538630.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 2312330002021 its reverse (1202000332132), we get a palindrome (3514330334153).

The spelling of 2312330002021 in words is "two trillion, three hundred twelve billion, three hundred thirty million, two thousand, twenty-one".