1330231201237 has 2 divisors, whose sum is σ = 1330231201238. Its totient is φ = 1330231201236.

The previous prime is 1330231201231. The next prime is 1330231201307. The reversal of 1330231201237 is 7321021320331.

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., 1329948658756 + 282542481 = 1153234^2 + 16809^2 .

It is a cyclic number.

It is not a de Polignac number, because 1330231201237 - 2⁷ = 1330231201109 is a prime.

It is a super-3 number, since 3×1330231201237³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1330231201231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665115600618 + 665115600619.

It is an arithmetic number, because the mean of its divisors is an integer number (665115600619).

Almost surely, 2^{1330231201237} is an apocalyptic number.

It is an amenable number.

1330231201237 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330231201237 is an equidigital number, since it uses as much as digits as its factorization.

1330231201237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 28.

Adding to 1330231201237 its reverse (7321021320331), we get a palindrome (8651252521568).

The spelling of 1330231201237 in words is "one trillion, three hundred thirty billion, two hundred thirty-one million, two hundred one thousand, two hundred thirty-seven".