131000616 has 48 divisors (see below), whose sum is σ = 356516160. Its totient is φ = 43454880.

The previous prime is 131000581. The next prime is 131000641. The reversal of 131000616 is 616000131.

It is a super-2 number, since 2×131000616² = 34322322784758912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10881 + ... + 19503.

It is an arithmetic number, because the mean of its divisors is an integer number (7427420).

Almost surely, 2^131000616 is an apocalyptic number.

It is an amenable number.

131000616 is an abundant number, since it is smaller than the sum of its proper divisors (225515544).

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

131000616 is a wasteful number, since it uses less digits than its factorization.

131000616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8846 (or 8839 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 131000616 is about 11445.5500523129. The cubic root of 131000616 is about 507.8761038710.

Adding to 131000616 its reverse (616000131), we get a palindrome (747000747).

The spelling of 131000616 in words is "one hundred thirty-one million, six hundred sixteen", and thus it is an aban number.