1331033320037 has 2 divisors, whose sum is σ = 1331033320038. Its totient is φ = 1331033320036.

The previous prime is 1331033320027. The next prime is 1331033320063. The reversal of 1331033320037 is 7300233301331.

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., 1238470733956 + 92562586081 = 1112866^2 + 304241^2 .

It is a cyclic number.

It is not a de Polignac number, because 1331033320037 - 2¹⁴ = 1331033303653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1331033319991 and 1331033320009.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1331033320027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665516660018 + 665516660019.

It is an arithmetic number, because the mean of its divisors is an integer number (665516660019).

Almost surely, 2^{1331033320037} is an apocalyptic number.

It is an amenable number.

1331033320037 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331033320037 is an equidigital number, since it uses as much as digits as its factorization.

1331033320037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10206, while the sum is 29.

Adding to 1331033320037 its reverse (7300233301331), we get a palindrome (8631266621368).

The spelling of 1331033320037 in words is "one trillion, three hundred thirty-one billion, thirty-three million, three hundred twenty thousand, thirty-seven".