20301224131 has 2 divisors, whose sum is σ = 20301224132. Its totient is φ = 20301224130.

The previous prime is 20301224071. The next prime is 20301224147. The reversal of 20301224131 is 13142210302.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20301224131 - 2¹¹ = 20301222083 is a prime.

It is a super-2 number, since 2×20301224131² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20301224099 and 20301224108.

It is not a weakly prime, because it can be changed into another prime (20301224191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10150612065 + 10150612066.

It is an arithmetic number, because the mean of its divisors is an integer number (10150612066).

Almost surely, 2^20301224131 is an apocalyptic number.

20301224131 is a deficient number, since it is larger than the sum of its proper divisors (1).

20301224131 is an equidigital number, since it uses as much as digits as its factorization.

20301224131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20301224131 its reverse (13142210302), we get a palindrome (33443434433).

The spelling of 20301224131 in words is "twenty billion, three hundred one million, two hundred twenty-four thousand, one hundred thirty-one".