13352431237 has 2 divisors, whose sum is σ = 13352431238. Its totient is φ = 13352431236.

The previous prime is 13352431223. The next prime is 13352431349. The reversal of 13352431237 is 73213425331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6901289476 + 6451141761 = 83074^2 + 80319^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13352431237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13352431217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6676215618 + 6676215619.

It is an arithmetic number, because the mean of its divisors is an integer number (6676215619).

Almost surely, 2^13352431237 is an apocalyptic number.

It is an amenable number.

13352431237 is a deficient number, since it is larger than the sum of its proper divisors (1).

13352431237 is an equidigital number, since it uses as much as digits as its factorization.

13352431237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 34.

Adding to 13352431237 its reverse (73213425331), we get a palindrome (86565856568).

The spelling of 13352431237 in words is "thirteen billion, three hundred fifty-two million, four hundred thirty-one thousand, two hundred thirty-seven".