131105434 has 16 divisors (see below), whose sum is σ = 210520800. Its totient is φ = 61048944.

The previous prime is 131105431. The next prime is 131105437. The reversal of 131105434 is 434501131.

It is an interprime number because it is at equal distance from previous prime (131105431) and next prime (131105437).

It is not an unprimeable number, because it can be changed into a prime (131105431) 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, 26997 + ... + 31480.

It is an arithmetic number, because the mean of its divisors is an integer number (13157550).

Almost surely, 2^131105434 is an apocalyptic number.

131105434 is a deficient number, since it is larger than the sum of its proper divisors (79415366).

131105434 is a wasteful number, since it uses less digits than its factorization.

131105434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58557.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 131105434 is about 11450.1281215539. The cubic root of 131105434 is about 508.0115240116.

Adding to 131105434 its reverse (434501131), we get a palindrome (565606565).

The spelling of 131105434 in words is "one hundred thirty-one million, one hundred five thousand, four hundred thirty-four".