131163403 has 8 divisors (see below), whose sum is σ = 157790720. Its totient is φ = 106508520.

The previous prime is 131163397. The next prime is 131163419. The reversal of 131163403 is 304361131.

It is a happy number.

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 131163403 - 2⁵ = 131163371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131163443) 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, 492963 + ... + 493228.

It is an arithmetic number, because the mean of its divisors is an integer number (19723840).

Almost surely, 2^131163403 is an apocalyptic number.

131163403 is a deficient number, since it is larger than the sum of its proper divisors (26627317).

131163403 is an equidigital number, since it uses as much as digits as its factorization.

131163403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986217.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 131163403 is about 11452.6592108558. The cubic root of 131163403 is about 508.0863863568.

The spelling of 131163403 in words is "one hundred thirty-one million, one hundred sixty-three thousand, four hundred three".