131403341 has 4 divisors (see below), whose sum is σ = 131560800. Its totient is φ = 131245884.

The previous prime is 131403331. The next prime is 131403343. The reversal of 131403341 is 143304131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131403341 - 2⁶ = 131403277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131403343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77471 + ... + 79148.

It is an arithmetic number, because the mean of its divisors is an integer number (32890200).

Almost surely, 2^131403341 is an apocalyptic number.

It is an amenable number.

131403341 is a deficient number, since it is larger than the sum of its proper divisors (157459).

131403341 is an equidigital number, since it uses as much as digits as its factorization.

131403341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157458.

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

The square root of 131403341 is about 11463.1296337431. The cubic root of 131403341 is about 508.3960127912.

Adding to 131403341 its reverse (143304131), we get a palindrome (274707472).

The spelling of 131403341 in words is "one hundred thirty-one million, four hundred three thousand, three hundred forty-one".