131112449 has 16 divisors (see below), whose sum is σ = 149909760. Its totient is φ = 113598720.

The previous prime is 131112437. The next prime is 131112463. The reversal of 131112449 is 944211131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 131112449 - 2²⁴ = 114335233 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (131112409) 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, 125672 + ... + 126710.

It is an arithmetic number, because the mean of its divisors is an integer number (9369360).

Almost surely, 2^131112449 is an apocalyptic number.

It is an amenable number.

131112449 is a deficient number, since it is larger than the sum of its proper divisors (18797311).

131112449 is a wasteful number, since it uses less digits than its factorization.

131112449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640.

The product of its digits is 864, while the sum is 26.

The square root of 131112449 is about 11450.4344459064. The cubic root of 131112449 is about 508.0205844987.

The spelling of 131112449 in words is "one hundred thirty-one million, one hundred twelve thousand, four hundred forty-nine".