20142313237 has 2 divisors, whose sum is σ = 20142313238. Its totient is φ = 20142313236.

The previous prime is 20142313229. The next prime is 20142313241. The reversal of 20142313237 is 73231324102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15432099076 + 4710214161 = 124226^2 + 68631^2 .

It is a cyclic number.

It is not a de Polignac number, because 20142313237 - 2³ = 20142313229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20142313207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10071156618 + 10071156619.

It is an arithmetic number, because the mean of its divisors is an integer number (10071156619).

Almost surely, 2^20142313237 is an apocalyptic number.

It is an amenable number.

20142313237 is a deficient number, since it is larger than the sum of its proper divisors (1).

20142313237 is an equidigital number, since it uses as much as digits as its factorization.

20142313237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 28.

Adding to 20142313237 its reverse (73231324102), we get a palindrome (93373637339).

The spelling of 20142313237 in words is "twenty billion, one hundred forty-two million, three hundred thirteen thousand, two hundred thirty-seven".