131016612 has 24 divisors (see below), whose sum is σ = 306115936. Its totient is φ = 43613568.

The previous prime is 131016601. The next prime is 131016617. The reversal of 131016612 is 216610131.

It is not an unprimeable number, because it can be changed into a prime (131016617) 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, 2508 + ... + 16380.

Almost surely, 2^131016612 is an apocalyptic number.

131016612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131016612 is an abundant number, since it is smaller than the sum of its proper divisors (175099324).

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

131016612 is a wasteful number, since it uses less digits than its factorization.

131016612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14667 (or 14665 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 131016612 is about 11446.2488178442. The cubic root of 131016612 is about 507.8967746530.

Adding to 131016612 its reverse (216610131), we get a palindrome (347626743).

The spelling of 131016612 in words is "one hundred thirty-one million, sixteen thousand, six hundred twelve".