20312223301 has 2 divisors, whose sum is σ = 20312223302. Its totient is φ = 20312223300.

The previous prime is 20312223293. The next prime is 20312223311. The reversal of 20312223301 is 10332221302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16326195076 + 3986028225 = 127774^2 + 63135^2 .

It is a cyclic number.

It is not a de Polignac number, because 20312223301 - 2³ = 20312223293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20312223311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10156111650 + 10156111651.

It is an arithmetic number, because the mean of its divisors is an integer number (10156111651).

Almost surely, 2^20312223301 is an apocalyptic number.

It is an amenable number.

20312223301 is a deficient number, since it is larger than the sum of its proper divisors (1).

20312223301 is an equidigital number, since it uses as much as digits as its factorization.

20312223301 is an evil number, because the sum of its binary digits is even.

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

Adding to 20312223301 its reverse (10332221302), we get a palindrome (30644444603).

The spelling of 20312223301 in words is "twenty billion, three hundred twelve million, two hundred twenty-three thousand, three hundred one".