20311012283 has 2 divisors, whose sum is σ = 20311012284. Its totient is φ = 20311012282.

The previous prime is 20311012237. The next prime is 20311012303. The reversal of 20311012283 is 38221011302.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20311012283 - 2¹⁴ = 20310995899 is a prime.

It is not a weakly prime, because it can be changed into another prime (20311012583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10155506141 + 10155506142.

It is an arithmetic number, because the mean of its divisors is an integer number (10155506142).

Almost surely, 2^20311012283 is an apocalyptic number.

20311012283 is a deficient number, since it is larger than the sum of its proper divisors (1).

20311012283 is an equidigital number, since it uses as much as digits as its factorization.

20311012283 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 20311012283 its reverse (38221011302), we get a palindrome (58532023585).

The spelling of 20311012283 in words is "twenty billion, three hundred eleven million, twelve thousand, two hundred eighty-three".