1331020030297 has 2 divisors, whose sum is σ = 1331020030298. Its totient is φ = 1331020030296.

The previous prime is 1331020030259. The next prime is 1331020030331. The reversal of 1331020030297 is 7920300201331.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1323337332496 + 7682697801 = 1150364^2 + 87651^2 .

It is a cyclic number.

It is not a de Polignac number, because 1331020030297 - 2¹⁵ = 1331019997529 is a prime.

It is a super-2 number, since 2×1331020030297² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1331020030097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665510015148 + 665510015149.

It is an arithmetic number, because the mean of its divisors is an integer number (665510015149).

Almost surely, 2^{1331020030297} is an apocalyptic number.

It is an amenable number.

1331020030297 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331020030297 is an equidigital number, since it uses as much as digits as its factorization.

1331020030297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 31.

The spelling of 1331020030297 in words is "one trillion, three hundred thirty-one billion, twenty million, thirty thousand, two hundred ninety-seven".