131418943 has 2 divisors, whose sum is σ = 131418944. Its totient is φ = 131418942.

The previous prime is 131418869. The next prime is 131418971. The reversal of 131418943 is 349814131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131418943 - 2²¹ = 129321791 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131418899 and 131418908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131418983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65709471 + 65709472.

It is an arithmetic number, because the mean of its divisors is an integer number (65709472).

Almost surely, 2^131418943 is an apocalyptic number.

131418943 is a deficient number, since it is larger than the sum of its proper divisors (1).

131418943 is an equidigital number, since it uses as much as digits as its factorization.

131418943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 34.

The square root of 131418943 is about 11463.8101432290. The cubic root of 131418943 is about 508.4161332352.

The spelling of 131418943 in words is "one hundred thirty-one million, four hundred eighteen thousand, nine hundred forty-three".