131221230432003 has 24 divisors (see below), whose sum is σ = 189734987289120. Its totient is φ = 87391652008320.

The previous prime is 131221230431989. The next prime is 131221230432011. The reversal of 131221230432003 is 300234032122131.

131221230432003 is a `hidden beast` number, since 1 + 3 + 1 + 22 + 12 + 304 + 320 + 0 + 3 = 666.

It is not a de Polignac number, because 131221230432003 - 2⁸ = 131221230431747 is a prime.

It is a super-2 number, since 2×131221230432003² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131221230432703) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 305469258 + ... + 305898528.

It is an arithmetic number, because the mean of its divisors is an integer number (7905624470380).

Almost surely, 2^{131221230432003} is an apocalyptic number.

131221230432003 is a deficient number, since it is larger than the sum of its proper divisors (58513756857117).

131221230432003 is a wasteful number, since it uses less digits than its factorization.

131221230432003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463819 (or 463816 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 131221230432003 its reverse (300234032122131), we get a palindrome (431455262554134).

The spelling of 131221230432003 in words is "one hundred thirty-one trillion, two hundred twenty-one billion, two hundred thirty million, four hundred thirty-two thousand, three".