20311413029 has 2 divisors, whose sum is σ = 20311413030. Its totient is φ = 20311413028.

The previous prime is 20311412951. The next prime is 20311413043. The reversal of 20311413029 is 92031411302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19412012929 + 899400100 = 139327^2 + 29990^2 .

It is a cyclic number.

It is not a de Polignac number, because 20311413029 - 2⁸ = 20311412773 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20311412989 and 20311413007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20311413929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10155706514 + 10155706515.

It is an arithmetic number, because the mean of its divisors is an integer number (10155706515).

Almost surely, 2^20311413029 is an apocalyptic number.

It is an amenable number.

20311413029 is a deficient number, since it is larger than the sum of its proper divisors (1).

20311413029 is an equidigital number, since it uses as much as digits as its factorization.

20311413029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 20311413029 in words is "twenty billion, three hundred eleven million, four hundred thirteen thousand, twenty-nine".