131232403 has 8 divisors (see below), whose sum is σ = 133733600. Its totient is φ = 128755008.

The previous prime is 131232389. The next prime is 131232427. The reversal of 131232403 is 304232131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131232403 - 2⁵ = 131232371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131232433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5383 + ... + 17071.

It is an arithmetic number, because the mean of its divisors is an integer number (16716700).

Almost surely, 2^131232403 is an apocalyptic number.

131232403 is a deficient number, since it is larger than the sum of its proper divisors (2501197).

131232403 is a wasteful number, since it uses less digits than its factorization.

131232403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11901.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 131232403 is about 11455.6712156032. The cubic root of 131232403 is about 508.1754656124.

Adding to 131232403 its reverse (304232131), we get a palindrome (435464534).

The spelling of 131232403 in words is "one hundred thirty-one million, two hundred thirty-two thousand, four hundred three".