131113044321 has 8 divisors (see below), whose sum is σ = 199791305664. Its totient is φ = 74921739600.

The previous prime is 131113044313. The next prime is 131113044379. The reversal of 131113044321 is 123440311131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131113044321 - 2³ = 131113044313 is a prime.

It is a super-2 number, since 2×131113044321² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131113044291 and 131113044300.

It is not an unprimeable number, because it can be changed into a prime (131113044301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3121739130 + ... + 3121739171.

It is an arithmetic number, because the mean of its divisors is an integer number (24973913208).

Almost surely, 2^131113044321 is an apocalyptic number.

It is an amenable number.

131113044321 is a deficient number, since it is larger than the sum of its proper divisors (68678261343).

131113044321 is an equidigital number, since it uses as much as digits as its factorization.

131113044321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6243478311.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 131113044321 its reverse (123440311131), we get a palindrome (254553355452).

The spelling of 131113044321 in words is "one hundred thirty-one billion, one hundred thirteen million, forty-four thousand, three hundred twenty-one".