13203031013 has 2 divisors, whose sum is σ = 13203031014. Its totient is φ = 13203031012.

The previous prime is 13203031003. The next prime is 13203031043. The reversal of 13203031013 is 31013030231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13018125409 + 184905604 = 114097^2 + 13598^2 .

It is a cyclic number.

It is not a de Polignac number, because 13203031013 - 2⁶ = 13203030949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13203030982 and 13203031000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13203031003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6601515506 + 6601515507.

It is an arithmetic number, because the mean of its divisors is an integer number (6601515507).

Almost surely, 2^13203031013 is an apocalyptic number.

It is an amenable number.

13203031013 is a deficient number, since it is larger than the sum of its proper divisors (1).

13203031013 is an equidigital number, since it uses as much as digits as its factorization.

13203031013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 13203031013 its reverse (31013030231), we get a palindrome (44216061244).

The spelling of 13203031013 in words is "thirteen billion, two hundred three million, thirty-one thousand, thirteen".