131511063 has 8 divisors (see below), whose sum is σ = 177568000. Its totient is φ = 86564088.

The previous prime is 131511053. The next prime is 131511077. The reversal of 131511063 is 360115131.

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

It is not a de Polignac number, because 131511063 - 2⁴ = 131511047 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 (131511043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277213 + ... + 277686.

It is an arithmetic number, because the mean of its divisors is an integer number (22196000).

Almost surely, 2^131511063 is an apocalyptic number.

131511063 is a deficient number, since it is larger than the sum of its proper divisors (46056937).

131511063 is an equidigital number, since it uses as much as digits as its factorization.

131511063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554981.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 131511063 is about 11467.8273007575. The cubic root of 131511063 is about 508.5348993585.

Adding to 131511063 its reverse (360115131), we get a palindrome (491626194).

The spelling of 131511063 in words is "one hundred thirty-one million, five hundred eleven thousand, sixty-three".