131602043 has 2 divisors, whose sum is σ = 131602044. Its totient is φ = 131602042.

The previous prime is 131602039. The next prime is 131602069. The reversal of 131602043 is 340206131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131602043 - 2² = 131602039 is a prime.

It is a Chen prime.

It is a plaindrome in base 14.

It is not a weakly prime, because it can be changed into another prime (131602033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65801021 + 65801022.

It is an arithmetic number, because the mean of its divisors is an integer number (65801022).

Almost surely, 2^131602043 is an apocalyptic number.

131602043 is a deficient number, since it is larger than the sum of its proper divisors (1).

131602043 is an equidigital number, since it uses as much as digits as its factorization.

131602043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 131602043 is about 11471.7933645965. The cubic root of 131602043 is about 508.6521413077.

Adding to 131602043 its reverse (340206131), we get a palindrome (471808174).

The spelling of 131602043 in words is "one hundred thirty-one million, six hundred two thousand, forty-three".