13231424501 has 2 divisors, whose sum is σ = 13231424502. Its totient is φ = 13231424500.

The previous prime is 13231424491. The next prime is 13231424519. The reversal of 13231424501 is 10542413231.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10255612900 + 2975811601 = 101270^2 + 54551^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13231424501 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13231424561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6615712250 + 6615712251.

It is an arithmetic number, because the mean of its divisors is an integer number (6615712251).

Almost surely, 2^13231424501 is an apocalyptic number.

It is an amenable number.

13231424501 is a deficient number, since it is larger than the sum of its proper divisors (1).

13231424501 is an equidigital number, since it uses as much as digits as its factorization.

13231424501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 13231424501 its reverse (10542413231), we get a palindrome (23773837732).

The spelling of 13231424501 in words is "thirteen billion, two hundred thirty-one million, four hundred twenty-four thousand, five hundred one".