131217276 has 12 divisors (see below), whose sum is σ = 306173672. Its totient is φ = 43739088.

The previous prime is 131217259. The next prime is 131217299. The reversal of 131217276 is 672712131.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5467375 + ... + 5467398.

Almost surely, 2^131217276 is an apocalyptic number.

It is an amenable number.

131217276 is an abundant number, since it is smaller than the sum of its proper divisors (174956396).

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

131217276 is a wasteful number, since it uses less digits than its factorization.

131217276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10934780 (or 10934778 counting only the distinct ones).

The product of its digits is 3528, while the sum is 30.

The square root of 131217276 is about 11455.0109559092. The cubic root of 131217276 is about 508.1559392722.

The spelling of 131217276 in words is "one hundred thirty-one million, two hundred seventeen thousand, two hundred seventy-six".