131335043 has 16 divisors (see below), whose sum is σ = 153676800. Its totient is φ = 112193928.

The previous prime is 131335027. The next prime is 131335067. The reversal of 131335043 is 340533131.

It is a happy number.

It is not a de Polignac number, because 131335043 - 2⁴ = 131335027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131335073) 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, 158396 + ... + 159222.

It is an arithmetic number, because the mean of its divisors is an integer number (9604800).

Almost surely, 2^131335043 is an apocalyptic number.

131335043 is a deficient number, since it is larger than the sum of its proper divisors (22341757).

131335043 is an frugal number, since it uses more digits than its factorization.

131335043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311 (or 1297 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 131335043 is about 11460.1502171656. The cubic root of 131335043 is about 508.3079164813.

Adding to 131335043 its reverse (340533131), we get a palindrome (471868174).

The spelling of 131335043 in words is "one hundred thirty-one million, three hundred thirty-five thousand, forty-three".