130531943 has 2 divisors, whose sum is σ = 130531944. Its totient is φ = 130531942.

The previous prime is 130531927. The next prime is 130531949. The reversal of 130531943 is 349135031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 130531943 - 2⁴ = 130531927 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130531949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65265971 + 65265972.

It is an arithmetic number, because the mean of its divisors is an integer number (65265972).

Almost surely, 2^130531943 is an apocalyptic number.

130531943 is a deficient number, since it is larger than the sum of its proper divisors (1).

130531943 is an equidigital number, since it uses as much as digits as its factorization.

130531943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 130531943 is about 11425.0576803796. The cubic root of 130531943 is about 507.2697142491.

Adding to 130531943 its reverse (349135031), we get a palindrome (479666974).

The spelling of 130531943 in words is "one hundred thirty million, five hundred thirty-one thousand, nine hundred forty-three".