131043733 has 2 divisors, whose sum is σ = 131043734. Its totient is φ = 131043732.

The previous prime is 131043713. The next prime is 131043743. The reversal of 131043733 is 337340131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80676324 + 50367409 = 8982^2 + 7097^2 .

It is an emirp because it is prime and its reverse (337340131) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131043733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131043698 and 131043707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131043713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65521866 + 65521867.

It is an arithmetic number, because the mean of its divisors is an integer number (65521867).

Almost surely, 2^131043733 is an apocalyptic number.

It is an amenable number.

131043733 is a deficient number, since it is larger than the sum of its proper divisors (1).

131043733 is an equidigital number, since it uses as much as digits as its factorization.

131043733 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 25.

The square root of 131043733 is about 11447.4334678128. The cubic root of 131043733 is about 507.9318178379.

Adding to 131043733 its reverse (337340131), we get a palindrome (468383864).

The spelling of 131043733 in words is "one hundred thirty-one million, forty-three thousand, seven hundred thirty-three".