131112029 has 16 divisors (see below), whose sum is σ = 139612032. Its totient is φ = 122874048.

The previous prime is 131112019. The next prime is 131112043. The reversal of 131112029 is 920211131.

It is a cyclic number.

It is not a de Polignac number, because 131112029 - 2⁴ = 131112013 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 131112029.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131112019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 330059 + ... + 330455.

It is an arithmetic number, because the mean of its divisors is an integer number (8725752).

Almost surely, 2^131112029 is an apocalyptic number.

It is an amenable number.

131112029 is a deficient number, since it is larger than the sum of its proper divisors (8500003).

131112029 is a wasteful number, since it uses less digits than its factorization.

131112029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 131112029 is about 11450.4161059762. The cubic root of 131112029 is about 508.0200420410.

The spelling of 131112029 in words is "one hundred thirty-one million, one hundred twelve thousand, twenty-nine".