131512016 has 40 divisors (see below), whose sum is σ = 261947520. Its totient is φ = 63931904.

The previous prime is 131512009. The next prime is 131512033. The reversal of 131512016 is 610215131.

It is a nialpdrome in base 8.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134120 + ... + 135096.

It is an arithmetic number, because the mean of its divisors is an integer number (6548688).

Almost surely, 2^131512016 is an apocalyptic number.

131512016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

131512016 is a deficient number, since it is larger than the sum of its proper divisors (130435504).

131512016 is a wasteful number, since it uses less digits than its factorization.

131512016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211 (or 1205 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 131512016 is about 11467.8688517091. The cubic root of 131512016 is about 508.5361277281.

Adding to 131512016 its reverse (610215131), we get a palindrome (741727147).

It can be divided in two parts, 1315 and 12016, that added together give a palindrome (13331).

The spelling of 131512016 in words is "one hundred thirty-one million, five hundred twelve thousand, sixteen".