131303481 has 16 divisors (see below), whose sum is σ = 183720960. Its totient is φ = 83254160.

The previous prime is 131303441. The next prime is 131303483. The reversal of 131303481 is 184303131.

It is a cyclic number.

It is not a de Polignac number, because 131303481 - 2¹³ = 131295289 is a prime.

It is a super-2 number, since 2×131303481² = 34481208245434722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (131303483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7036 + ... + 17666.

It is an arithmetic number, because the mean of its divisors is an integer number (11482560).

Almost surely, 2^131303481 is an apocalyptic number.

It is an amenable number.

131303481 is a deficient number, since it is larger than the sum of its proper divisors (52417479).

131303481 is a wasteful number, since it uses less digits than its factorization.

131303481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10836.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 131303481 is about 11458.7731018639. The cubic root of 131303481 is about 508.2671949307.

The spelling of 131303481 in words is "one hundred thirty-one million, three hundred three thousand, four hundred eighty-one".