20301121331 has 2 divisors, whose sum is σ = 20301121332. Its totient is φ = 20301121330.

The previous prime is 20301121307. The next prime is 20301121363. The reversal of 20301121331 is 13312110302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20301121331 - 2¹⁴ = 20301104947 is a prime.

It is a super-3 number, since 3×20301121331³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (20301121231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10150560665 + 10150560666.

It is an arithmetic number, because the mean of its divisors is an integer number (10150560666).

Almost surely, 2^20301121331 is an apocalyptic number.

20301121331 is a deficient number, since it is larger than the sum of its proper divisors (1).

20301121331 is an equidigital number, since it uses as much as digits as its factorization.

20301121331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 20301121331 its reverse (13312110302), we get a palindrome (33613231633).

The spelling of 20301121331 in words is "twenty billion, three hundred one million, one hundred twenty-one thousand, three hundred thirty-one".