10312333621 has 2 divisors, whose sum is σ = 10312333622. Its totient is φ = 10312333620.

The previous prime is 10312333607. The next prime is 10312333631. The reversal of 10312333621 is 12633321301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8092981521 + 2219352100 = 89961^2 + 47110^2 .

It is a cyclic number.

It is not a de Polignac number, because 10312333621 - 2¹¹ = 10312331573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10312333631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5156166810 + 5156166811.

It is an arithmetic number, because the mean of its divisors is an integer number (5156166811).

Almost surely, 2^10312333621 is an apocalyptic number.

It is an amenable number.

10312333621 is a deficient number, since it is larger than the sum of its proper divisors (1).

10312333621 is an equidigital number, since it uses as much as digits as its factorization.

10312333621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 10312333621 its reverse (12633321301), we get a palindrome (22945654922).

The spelling of 10312333621 in words is "ten billion, three hundred twelve million, three hundred thirty-three thousand, six hundred twenty-one".