131503043 has 8 divisors (see below), whose sum is σ = 151247712. Its totient is φ = 111998016.

The previous prime is 131503037. The next prime is 131503049. The reversal of 131503043 is 340305131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (131503037) and next prime (131503049).

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 131503043 - 2⁴ = 131503027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131503049) 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, 58730 + ... + 60927.

It is an arithmetic number, because the mean of its divisors is an integer number (18905964).

Almost surely, 2^131503043 is an apocalyptic number.

131503043 is a deficient number, since it is larger than the sum of its proper divisors (19744669).

131503043 is a wasteful number, since it uses less digits than its factorization.

131503043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119821.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 131503043 is about 11467.4776215173. The cubic root of 131503043 is about 508.5245617420.

Adding to 131503043 its reverse (340305131), we get a palindrome (471808174).

The spelling of 131503043 in words is "one hundred thirty-one million, five hundred three thousand, forty-three".