131113121113 has 8 divisors (see below), whose sum is σ = 141235351488. Its totient is φ = 120996120144.

The previous prime is 131113121107. The next prime is 131113121141. The reversal of 131113121113 is 311121311131.

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

It is a cyclic number.

It is not a de Polignac number, because 131113121113 - 2²¹ = 131111023961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131113121143) 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, 1255195 + ... + 1355632.

It is an arithmetic number, because the mean of its divisors is an integer number (17654418936).

Almost surely, 2^131113121113 is an apocalyptic number.

131113121113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

131113121113 is a deficient number, since it is larger than the sum of its proper divisors (10122230375).

131113121113 is a wasteful number, since it uses less digits than its factorization.

131113121113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2614703.

The product of its digits is 54, while the sum is 19.

Adding to 131113121113 its reverse (311121311131), we get a palindrome (442234432244).

The spelling of 131113121113 in words is "one hundred thirty-one billion, one hundred thirteen million, one hundred twenty-one thousand, one hundred thirteen".