20315431630301 has 2 divisors, whose sum is σ = 20315431630302. Its totient is φ = 20315431630300.

The previous prime is 20315431630283. The next prime is 20315431630313. The reversal of 20315431630301 is 10303613451302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14812414716100 + 5503016914201 = 3848690^2 + 2345851^2 .

It is a cyclic number.

It is not a de Polignac number, because 20315431630301 - 2¹⁰ = 20315431629277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20315431639301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10157715815150 + 10157715815151.

It is an arithmetic number, because the mean of its divisors is an integer number (10157715815151).

Almost surely, 2^{20315431630301} is an apocalyptic number.

It is an amenable number.

20315431630301 is a deficient number, since it is larger than the sum of its proper divisors (1).

20315431630301 is an equidigital number, since it uses as much as digits as its factorization.

20315431630301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 32.

The spelling of 20315431630301 in words is "twenty trillion, three hundred fifteen billion, four hundred thirty-one million, six hundred thirty thousand, three hundred one".