131403021333391 has 2 divisors, whose sum is σ = 131403021333392. Its totient is φ = 131403021333390.

The previous prime is 131403021333347. The next prime is 131403021333439. The reversal of 131403021333391 is 193333120304131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131403021333391 - 2⁷ = 131403021333263 is a prime.

It is a super-2 number, since 2×131403021333391² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131403021333391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131403021363391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65701510666695 + 65701510666696.

It is an arithmetic number, because the mean of its divisors is an integer number (65701510666696).

Almost surely, 2^{131403021333391} is an apocalyptic number.

131403021333391 is a deficient number, since it is larger than the sum of its proper divisors (1).

131403021333391 is an equidigital number, since it uses as much as digits as its factorization.

131403021333391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488, while the sum is 37.

The spelling of 131403021333391 in words is "one hundred thirty-one trillion, four hundred three billion, twenty-one million, three hundred thirty-three thousand, three hundred ninety-one".