131303553 has 8 divisors (see below), whose sum is σ = 179143008. Its totient is φ = 85499904.

The previous prime is 131303551. The next prime is 131303581. The reversal of 131303553 is 355303131.

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

It is not a de Polignac number, because 131303553 - 2¹ = 131303551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131303551) 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, 508800 + ... + 509057.

It is an arithmetic number, because the mean of its divisors is an integer number (22392876).

Almost surely, 2^131303553 is an apocalyptic number.

It is an amenable number.

131303553 is a deficient number, since it is larger than the sum of its proper divisors (47839455).

131303553 is a wasteful number, since it uses less digits than its factorization.

131303553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017903.

The product of its (nonzero) digits is 2025, while the sum is 24.

The square root of 131303553 is about 11458.7762435611. The cubic root of 131303553 is about 508.2672878331.

Adding to 131303553 its reverse (355303131), we get a palindrome (486606684).

The spelling of 131303553 in words is "one hundred thirty-one million, three hundred three thousand, five hundred fifty-three".