10312001210321 has 4 divisors (see below), whose sum is σ = 10390718776944. Its totient is φ = 10233283643700.

The previous prime is 10312001210249. The next prime is 10312001210341. The reversal of 10312001210321 is 12301210021301.

10312001210321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10312001210321 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 10312001210321.

It is not an unprimeable number, because it can be changed into a prime (10312001210341) 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, 39358783115 + ... + 39358783376.

It is an arithmetic number, because the mean of its divisors is an integer number (2597679694236).

Almost surely, 2^{10312001210321} is an apocalyptic number.

It is an amenable number.

10312001210321 is a deficient number, since it is larger than the sum of its proper divisors (78717566623).

10312001210321 is an equidigital number, since it uses as much as digits as its factorization.

10312001210321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78717566622.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 10312001210321 its reverse (12301210021301), we get a palindrome (22613211231622).

The spelling of 10312001210321 in words is "ten trillion, three hundred twelve billion, one million, two hundred ten thousand, three hundred twenty-one".