131331320001 has 48 divisors (see below), whose sum is σ = 227357020800. Its totient is φ = 74203164288.

The previous prime is 131331319981. The next prime is 131331320083. The reversal of 131331320001 is 100023133131.

It is a happy number.

131331320001 is a `hidden beast` number, since 1 + 313 + 31 + 320 + 0 + 0 + 1 = 666.

It is not a de Polignac number, because 131331320001 - 2¹³ = 131331311809 is a prime.

It is a super-2 number, since 2×131331320001² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131331320501) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 282366 + ... + 585143.

It is an arithmetic number, because the mean of its divisors is an integer number (4736604600).

Almost surely, 2^131331320001 is an apocalyptic number.

It is an amenable number.

131331320001 is a deficient number, since it is larger than the sum of its proper divisors (96025700799).

131331320001 is an frugal number, since it uses more digits than its factorization.

131331320001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867620 (or 867608 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 131331320001 its reverse (100023133131), we get a palindrome (231354453132).

The spelling of 131331320001 in words is "one hundred thirty-one billion, three hundred thirty-one million, three hundred twenty thousand, one".