131315064 has 32 divisors (see below), whose sum is σ = 332448000. Its totient is φ = 43216992.

The previous prime is 131315059. The next prime is 131315071. The reversal of 131315064 is 460513131.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

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, 32734 + ... + 36525.

It is an arithmetic number, because the mean of its divisors is an integer number (10389000).

Almost surely, 2^131315064 is an apocalyptic number.

It is an amenable number.

131315064 is an abundant number, since it is smaller than the sum of its proper divisors (201132936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131315064 is a wasteful number, since it uses less digits than its factorization.

131315064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69347 (or 69343 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 131315064 is about 11459.2785113200. The cubic root of 131315064 is about 508.2821401699.

Adding to 131315064 its reverse (460513131), we get a palindrome (591828195).

The spelling of 131315064 in words is "one hundred thirty-one million, three hundred fifteen thousand, sixty-four".