131043516 has 12 divisors (see below), whose sum is σ = 305768232. Its totient is φ = 43681168.

The previous prime is 131043499. The next prime is 131043527. The reversal of 131043516 is 615340131.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5460135 + ... + 5460158.

It is an arithmetic number, because the mean of its divisors is an integer number (25480686).

Almost surely, 2^131043516 is an apocalyptic number.

It is an amenable number.

131043516 is an abundant number, since it is smaller than the sum of its proper divisors (174724716).

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

131043516 is a wasteful number, since it uses less digits than its factorization.

131043516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10920300 (or 10920298 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 131043516 is about 11447.4239897018. The cubic root of 131043516 is about 507.9315374702.

Adding to 131043516 its reverse (615340131), we get a palindrome (746383647).

The spelling of 131043516 in words is "one hundred thirty-one million, forty-three thousand, five hundred sixteen".