131012221413321 has 6 divisors (see below), whose sum is σ = 189239875374810. Its totient is φ = 87341480942208.

The previous prime is 131012221413263. The next prime is 131012221413329. The reversal of 131012221413321 is 123314122210131.

131012221413321 is a `hidden beast` number, since 1 + 3 + 1 + 0 + 1 + 2 + 221 + 413 + 3 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 125369696253321 + 5642525160000 = 11196861^2 + 2375400^2 .

It is not a de Polignac number, because 131012221413321 - 2¹⁵ = 131012221380553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131012221413329) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7278456745176 + ... + 7278456745193.

It is an arithmetic number, because the mean of its divisors is an integer number (31539979229135).

Almost surely, 2^{131012221413321} is an apocalyptic number.

It is an amenable number.

131012221413321 is a deficient number, since it is larger than the sum of its proper divisors (58227653961489).

131012221413321 is a wasteful number, since it uses less digits than its factorization.

131012221413321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14556913490375 (or 14556913490372 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 131012221413321 its reverse (123314122210131), we get a palindrome (254326343623452).

The spelling of 131012221413321 in words is "one hundred thirty-one trillion, twelve billion, two hundred twenty-one million, four hundred thirteen thousand, three hundred twenty-one".