131402241201321 has 16 divisors (see below), whose sum is σ = 197861298229120. Its totient is φ = 86165404065360.

The previous prime is 131402241201317. The next prime is 131402241201367. The reversal of 131402241201321 is 123102142204131.

131402241201321 is a `hidden beast` number, since 1 + 3 + 1 + 402 + 2 + 4 + 120 + 132 + 1 = 666.

It is not a de Polignac number, because 131402241201321 - 2² = 131402241201317 is a prime.

It is a super-2 number, since 2×131402241201321² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131402241201421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39891389125 + ... + 39891392418.

It is an arithmetic number, because the mean of its divisors is an integer number (12366331139320).

Almost surely, 2^{131402241201321} is an apocalyptic number.

It is an amenable number.

131402241201321 is a deficient number, since it is larger than the sum of its proper divisors (66459057027799).

131402241201321 is an equidigital number, since it uses as much as digits as its factorization.

131402241201321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79782781613 (or 79782781607 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 131402241201321 its reverse (123102142204131), we get a palindrome (254504383405452).

The spelling of 131402241201321 in words is "one hundred thirty-one trillion, four hundred two billion, two hundred forty-one million, two hundred one thousand, three hundred twenty-one".