131450503 has 4 divisors (see below), whose sum is σ = 133034328. Its totient is φ = 129866680.

The previous prime is 131450489. The next prime is 131450507. The reversal of 131450503 is 305054131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131450503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131450507) 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, 791788 + ... + 791953.

It is an arithmetic number, because the mean of its divisors is an integer number (33258582).

Almost surely, 2^131450503 is an apocalyptic number.

131450503 is a deficient number, since it is larger than the sum of its proper divisors (1583825).

131450503 is an equidigital number, since it uses as much as digits as its factorization.

131450503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1583824.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 131450503 is about 11465.1865662971. The cubic root of 131450503 is about 508.4568283550.

The spelling of 131450503 in words is "one hundred thirty-one million, four hundred fifty thousand, five hundred three".