20301131329 has 2 divisors, whose sum is σ = 20301131330. Its totient is φ = 20301131328.

The previous prime is 20301131321. The next prime is 20301131363. The reversal of 20301131329 is 92313110302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15755270400 + 4545860929 = 125520^2 + 67423^2 .

It is a cyclic number.

It is not a de Polignac number, because 20301131329 - 2³ = 20301131321 is a prime.

It is not a weakly prime, because it can be changed into another prime (20301131321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10150565664 + 10150565665.

It is an arithmetic number, because the mean of its divisors is an integer number (10150565665).

Almost surely, 2^20301131329 is an apocalyptic number.

It is an amenable number.

20301131329 is a deficient number, since it is larger than the sum of its proper divisors (1).

20301131329 is an equidigital number, since it uses as much as digits as its factorization.

20301131329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 25.

The spelling of 20301131329 in words is "twenty billion, three hundred one million, one hundred thirty-one thousand, three hundred twenty-nine".