13131022237 has 2 divisors, whose sum is σ = 13131022238. Its totient is φ = 13131022236.

The previous prime is 13131022231. The next prime is 13131022243. The reversal of 13131022237 is 73222013131.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (13131022231) and next prime (13131022243).

It can be written as a sum of positive squares in only one way, i.e., 7424579556 + 5706442681 = 86166^2 + 75541^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13131022237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13131022231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6565511118 + 6565511119.

It is an arithmetic number, because the mean of its divisors is an integer number (6565511119).

Almost surely, 2^13131022237 is an apocalyptic number.

It is an amenable number.

13131022237 is a deficient number, since it is larger than the sum of its proper divisors (1).

13131022237 is an equidigital number, since it uses as much as digits as its factorization.

13131022237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 25.

Adding to 13131022237 its reverse (73222013131), we get a palindrome (86353035368).

The spelling of 13131022237 in words is "thirteen billion, one hundred thirty-one million, twenty-two thousand, two hundred thirty-seven".