131030111 has 8 divisors (see below), whose sum is σ = 133985280. Its totient is φ = 128107512.

The previous prime is 131030093. The next prime is 131030129. The reversal of 131030111 is 111030131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (131030093) and next prime (131030129).

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 131030111 - 2⁶ = 131030047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131030092 and 131030101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131030131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86 + ... + 16188.

It is an arithmetic number, because the mean of its divisors is an integer number (16748160).

Almost surely, 2^131030111 is an apocalyptic number.

131030111 is a deficient number, since it is larger than the sum of its proper divisors (2955169).

131030111 is a wasteful number, since it uses less digits than its factorization.

131030111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16285.

The product of its (nonzero) digits is 9, while the sum is 11.

The square root of 131030111 is about 11446.8384718227. The cubic root of 131030111 is about 507.9142173854.

Adding to 131030111 its reverse (111030131), we get a palindrome (242060242).

The spelling of 131030111 in words is "one hundred thirty-one million, thirty thousand, one hundred eleven".