131403021333441 has 64 divisors (see below), whose sum is σ = 209028282193920. Its totient is φ = 72983311156800.

The previous prime is 131403021333439. The next prime is 131403021333457. The reversal of 131403021333441 is 144333120304131.

It is not a de Polignac number, because 131403021333441 - 2¹ = 131403021333439 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (131403021333641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1890445 + ... + 16321146.

It is an arithmetic number, because the mean of its divisors is an integer number (3266066909280).

Almost surely, 2^{131403021333441} is an apocalyptic number.

131403021333441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

131403021333441 is a deficient number, since it is larger than the sum of its proper divisors (77625260860479).

131403021333441 is a wasteful number, since it uses less digits than its factorization.

131403021333441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18211779 (or 18211757 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 33.

Adding to 131403021333441 its reverse (144333120304131), we get a palindrome (275736141637572).

The spelling of 131403021333441 in words is "one hundred thirty-one trillion, four hundred three billion, twenty-one million, three hundred thirty-three thousand, four hundred forty-one".