1331331301229 has 2 divisors, whose sum is σ = 1331331301230. Its totient is φ = 1331331301228.

The previous prime is 1331331301207. The next prime is 1331331301243. The reversal of 1331331301229 is 9221031331331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 857124156100 + 474207145129 = 925810^2 + 688627^2 .

It is a cyclic number.

It is not a de Polignac number, because 1331331301229 - 2²⁸ = 1331062865773 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1331331301195 and 1331331301204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1331331361229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665665650614 + 665665650615.

It is an arithmetic number, because the mean of its divisors is an integer number (665665650615).

Almost surely, 2^{1331331301229} is an apocalyptic number.

It is an amenable number.

1331331301229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331331301229 is an equidigital number, since it uses as much as digits as its factorization.

1331331301229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 32.

The spelling of 1331331301229 in words is "one trillion, three hundred thirty-one billion, three hundred thirty-one million, three hundred one thousand, two hundred twenty-nine".