13204305031 has 2 divisors, whose sum is σ = 13204305032. Its totient is φ = 13204305030.

The previous prime is 13204305011. The next prime is 13204305073. The reversal of 13204305031 is 13050340231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13204305031 - 2¹³ = 13204296839 is a prime.

It is a super-2 number, since 2×13204305031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13204304993 and 13204305011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13204305001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6602152515 + 6602152516.

It is an arithmetic number, because the mean of its divisors is an integer number (6602152516).

Almost surely, 2^13204305031 is an apocalyptic number.

13204305031 is a deficient number, since it is larger than the sum of its proper divisors (1).

13204305031 is an equidigital number, since it uses as much as digits as its factorization.

13204305031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 22.

Adding to 13204305031 its reverse (13050340231), we get a palindrome (26254645262).

It can be divided in two parts, 132043050 and 31, that added together give a square (132043081 = 11491²).

The spelling of 13204305031 in words is "thirteen billion, two hundred four million, three hundred five thousand, thirty-one".