1331202021297 has 8 divisors (see below), whose sum is σ = 1832192029440. Its totient is φ = 858840013680.

The previous prime is 1331202021283. The next prime is 1331202021299. The reversal of 1331202021297 is 7921202021331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1331202021297 - 2⁸ = 1331202021041 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1331202021299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7157000022 + ... + 7157000207.

It is an arithmetic number, because the mean of its divisors is an integer number (229024003680).

Almost surely, 2^{1331202021297} is an apocalyptic number.

It is an amenable number.

1331202021297 is a deficient number, since it is larger than the sum of its proper divisors (500990008143).

1331202021297 is a wasteful number, since it uses less digits than its factorization.

1331202021297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14314000263.

The product of its (nonzero) digits is 9072, while the sum is 33.

The spelling of 1331202021297 in words is "one trillion, three hundred thirty-one billion, two hundred two million, twenty-one thousand, two hundred ninety-seven".