131233016 has 8 divisors (see below), whose sum is σ = 246061920. Its totient is φ = 65616504.

The previous prime is 131232931. The next prime is 131233027. The reversal of 131233016 is 610332131.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8202056 + ... + 8202071.

It is an arithmetic number, because the mean of its divisors is an integer number (30757740).

Almost surely, 2^131233016 is an apocalyptic number.

It is an amenable number.

131233016 is a deficient number, since it is larger than the sum of its proper divisors (114828904).

131233016 is a wasteful number, since it uses less digits than its factorization.

131233016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16404133 (or 16404129 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 131233016 is about 11455.6979708789. The cubic root of 131233016 is about 508.1762568577.

Adding to 131233016 its reverse (610332131), we get a palindrome (741565147).

The spelling of 131233016 in words is "one hundred thirty-one million, two hundred thirty-three thousand, sixteen".