131203043 has 2 divisors, whose sum is σ = 131203044. Its totient is φ = 131203042.

The previous prime is 131203003. The next prime is 131203069. The reversal of 131203043 is 340302131.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131203043 is a prime.

It is not a weakly prime, because it can be changed into another prime (131203003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65601521 + 65601522.

It is an arithmetic number, because the mean of its divisors is an integer number (65601522).

Almost surely, 2^131203043 is an apocalyptic number.

131203043 is a deficient number, since it is larger than the sum of its proper divisors (1).

131203043 is an equidigital number, since it uses as much as digits as its factorization.

131203043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 131203043 is about 11454.3896825628. The cubic root of 131203043 is about 508.1375655610.

Adding to 131203043 its reverse (340302131), we get a palindrome (471505174).

The spelling of 131203043 in words is "one hundred thirty-one million, two hundred three thousand, forty-three".