2312000321 has 8 divisors (see below), whose sum is σ = 2392951080. Its totient is φ = 2231131392.

The previous prime is 2312000303. The next prime is 2312000347. The reversal of 2312000321 is 1230002132.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 147889921 + 2164110400 = 12161^2 + 46520^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2312000321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2312000296 and 2312000305.

It is not an unprimeable number, because it can be changed into a prime (2312002321) 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, 40121 + ... + 78953.

It is an arithmetic number, because the mean of its divisors is an integer number (299118885).

Almost surely, 2^2312000321 is an apocalyptic number.

It is an amenable number.

2312000321 is a deficient number, since it is larger than the sum of its proper divisors (80950759).

2312000321 is a wasteful number, since it uses less digits than its factorization.

2312000321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40915.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2312000321 is about 48083.2644586451. The cubic root of 2312000321 is about 1322.2978648879.

Adding to 2312000321 its reverse (1230002132), we get a palindrome (3542002453).

The spelling of 2312000321 in words is "two billion, three hundred twelve million, three hundred twenty-one", and thus it is an aban number.