131130043 has 4 divisors (see below), whose sum is σ = 143050968. Its totient is φ = 119209120.

The previous prime is 131130029. The next prime is 131130071. The reversal of 131130043 is 340031131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340031131 = 11 ⋅30911921.

It is a cyclic number.

It is not a de Polignac number, because 131130043 - 2¹⁷ = 130998971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131129999 and 131130026.

It is not an unprimeable number, because it can be changed into a prime (131130023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5960446 + ... + 5960467.

It is an arithmetic number, because the mean of its divisors is an integer number (35762742).

Almost surely, 2^131130043 is an apocalyptic number.

131130043 is a deficient number, since it is larger than the sum of its proper divisors (11920925).

131130043 is a wasteful number, since it uses less digits than its factorization.

131130043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11920924.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 131130043 is about 11451.2026879276. The cubic root of 131130043 is about 508.0433072695.

Adding to 131130043 its reverse (340031131), we get a palindrome (471161174).

The spelling of 131130043 in words is "one hundred thirty-one million, one hundred thirty thousand, forty-three".