20310300431 has 2 divisors, whose sum is σ = 20310300432. Its totient is φ = 20310300430.

The previous prime is 20310300359. The next prime is 20310300457. The reversal of 20310300431 is 13400301302.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20310300431 - 2³⁴ = 3130431247 is a prime.

It is a super-2 number, since 2×20310300431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20310300631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10155150215 + 10155150216.

It is an arithmetic number, because the mean of its divisors is an integer number (10155150216).

Almost surely, 2^20310300431 is an apocalyptic number.

20310300431 is a deficient number, since it is larger than the sum of its proper divisors (1).

20310300431 is an equidigital number, since it uses as much as digits as its factorization.

20310300431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20310300431 its reverse (13400301302), we get a palindrome (33710601733).

The spelling of 20310300431 in words is "twenty billion, three hundred ten million, three hundred thousand, four hundred thirty-one".