1331100037 has 2 divisors, whose sum is σ = 1331100038. Its totient is φ = 1331100036.

The previous prime is 1331100013. The next prime is 1331100097. The reversal of 1331100037 is 7300011331.

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., 1185149476 + 145950561 = 34426^2 + 12081^2 .

It is a cyclic number.

It is not a de Polignac number, because 1331100037 - 2⁷ = 1331099909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1331099987 and 1331100023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1331100007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665550018 + 665550019.

It is an arithmetic number, because the mean of its divisors is an integer number (665550019).

Almost surely, 2^1331100037 is an apocalyptic number.

It is an amenable number.

1331100037 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331100037 is an equidigital number, since it uses as much as digits as its factorization.

1331100037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189, while the sum is 19.

The square root of 1331100037 is about 36484.2436813483. The cubic root of 1331100037 is about 1100.0275577118.

Adding to 1331100037 its reverse (7300011331), we get a palindrome (8631111368).

The spelling of 1331100037 in words is "one billion, three hundred thirty-one million, one hundred thousand, thirty-seven".