131000548 has 24 divisors (see below), whose sum is σ = 273393792. Its totient is φ = 53701824.

The previous prime is 131000543. The next prime is 131000549. The reversal of 131000548 is 845000131.

It is a super-2 number, since 2×131000548² = 34322287152600608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131000543) 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, 101065 + ... + 102352.

It is an arithmetic number, because the mean of its divisors is an integer number (11391408).

Almost surely, 2^131000548 is an apocalyptic number.

It is an amenable number.

131000548 is an abundant number, since it is smaller than the sum of its proper divisors (142393244).

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

131000548 is a wasteful number, since it uses less digits than its factorization.

131000548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203451 (or 203449 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 131000548 is about 11445.5470817257. The cubic root of 131000548 is about 507.8760159946.

Adding to 131000548 its reverse (845000131), we get a palindrome (976000679).

The spelling of 131000548 in words is "one hundred thirty-one million, five hundred forty-eight", and thus it is an aban number.