131021434110321 has 12 divisors (see below), whose sum is σ = 189415911064848. Its totient is φ = 87272517296664.

The previous prime is 131021434110313. The next prime is 131021434110349. The reversal of 131021434110321 is 123011434120131.

131021434110321 is a `hidden beast` number, since 1 + 3 + 1 + 0 + 214 + 3 + 411 + 0 + 32 + 1 = 666.

It is not a de Polignac number, because 131021434110321 - 2³ = 131021434110313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131021434110311) 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 11 ways as a sum of consecutive naturals, for example, 6258775915 + ... + 6258796848.

It is an arithmetic number, because the mean of its divisors is an integer number (15784659255404).

Almost surely, 2^{131021434110321} is an apocalyptic number.

It is an amenable number.

131021434110321 is a deficient number, since it is larger than the sum of its proper divisors (58394476954527).

131021434110321 is a wasteful number, since it uses less digits than its factorization.

131021434110321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12517573932 (or 12517573929 counting only the distinct ones).

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

Adding to 131021434110321 its reverse (123011434120131), we get a palindrome (254032868230452).

The spelling of 131021434110321 in words is "one hundred thirty-one trillion, twenty-one billion, four hundred thirty-four million, one hundred ten thousand, three hundred twenty-one".