131105535 has 16 divisors (see below), whose sum is σ = 228839040. Its totient is φ = 63566240.

The previous prime is 131105509. The next prime is 131105537. The reversal of 131105535 is 535501131.

It is not a de Polignac number, because 131105535 - 2⁸ = 131105279 is a prime.

It is a super-2 number, since 2×131105535² = 34377322615272450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131105537) 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, 397125 + ... + 397454.

It is an arithmetic number, because the mean of its divisors is an integer number (14302440).

Almost surely, 2^131105535 is an apocalyptic number.

131105535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131105535 is a deficient number, since it is larger than the sum of its proper divisors (97733505).

131105535 is a wasteful number, since it uses less digits than its factorization.

131105535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794598.

The product of its (nonzero) digits is 1125, while the sum is 24.

The square root of 131105535 is about 11450.1325319841. The cubic root of 131105535 is about 508.0116544643.

Adding to 131105535 its reverse (535501131), we get a palindrome (666606666).

The spelling of 131105535 in words is "one hundred thirty-one million, one hundred five thousand, five hundred thirty-five".