20013232201031 has 2 divisors, whose sum is σ = 20013232201032. Its totient is φ = 20013232201030.

The previous prime is 20013232201009. The next prime is 20013232201043. The reversal of 20013232201031 is 13010223231002.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20013232201031 is a prime.

It is a super-2 number, since 2×20013232201031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20013232200994 and 20013232201012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20013232209031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10006616100515 + 10006616100516.

It is an arithmetic number, because the mean of its divisors is an integer number (10006616100516).

Almost surely, 2^{20013232201031} is an apocalyptic number.

20013232201031 is a deficient number, since it is larger than the sum of its proper divisors (1).

20013232201031 is an equidigital number, since it uses as much as digits as its factorization.

20013232201031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20013232201031 its reverse (13010223231002), we get a palindrome (33023455432033).

The spelling of 20013232201031 in words is "twenty trillion, thirteen billion, two hundred thirty-two million, two hundred one thousand, thirty-one".