20311303039 has 2 divisors, whose sum is σ = 20311303040. Its totient is φ = 20311303038.

The previous prime is 20311303009. The next prime is 20311303057. The reversal of 20311303039 is 93030311302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20311303039 - 2⁷ = 20311302911 is a prime.

It is a super-2 number, since 2×20311303039² (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 (20311303009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10155651519 + 10155651520.

It is an arithmetic number, because the mean of its divisors is an integer number (10155651520).

Almost surely, 2^20311303039 is an apocalyptic number.

20311303039 is a deficient number, since it is larger than the sum of its proper divisors (1).

20311303039 is an equidigital number, since it uses as much as digits as its factorization.

20311303039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458, while the sum is 25.

The spelling of 20311303039 in words is "twenty billion, three hundred eleven million, three hundred three thousand, thirty-nine".