131113142 has 8 divisors (see below), whose sum is σ = 197756832. Its totient is φ = 65194200.

The previous prime is 131113141. The next prime is 131113189. The reversal of 131113142 is 241311131.

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

It is a super-2 number, since 2×131113142² = 34381312010224328, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131113142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131113141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180734 + ... + 181457.

It is an arithmetic number, because the mean of its divisors is an integer number (24719604).

Almost surely, 2^131113142 is an apocalyptic number.

131113142 is a deficient number, since it is larger than the sum of its proper divisors (66643690).

131113142 is a wasteful number, since it uses less digits than its factorization.

131113142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362374.

The product of its digits is 72, while the sum is 17.

The square root of 131113142 is about 11450.4647067270. The cubic root of 131113142 is about 508.0214795514.

Adding to 131113142 its reverse (241311131), we get a palindrome (372424273).

The spelling of 131113142 in words is "one hundred thirty-one million, one hundred thirteen thousand, one hundred forty-two".