1331232133279 has 2 divisors, whose sum is σ = 1331232133280. Its totient is φ = 1331232133278.

The previous prime is 1331232133277. The next prime is 1331232133411. The reversal of 1331232133279 is 9723312321331.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1331232133279 - 2¹ = 1331232133277 is a prime.

Together with 1331232133277, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1331232133277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665616066639 + 665616066640.

It is an arithmetic number, because the mean of its divisors is an integer number (665616066640).

Almost surely, 2^{1331232133279} is an apocalyptic number.

1331232133279 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331232133279 is an equidigital number, since it uses as much as digits as its factorization.

1331232133279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 122472, while the sum is 40.

The spelling of 1331232133279 in words is "one trillion, three hundred thirty-one billion, two hundred thirty-two million, one hundred thirty-three thousand, two hundred seventy-nine".