131631276 has 24 divisors (see below), whose sum is σ = 351016960. Its totient is φ = 37608912.

The previous prime is 131631271. The next prime is 131631281. The reversal of 131631276 is 672136131.

It is an interprime number because it is at equal distance from previous prime (131631271) and next prime (131631281).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (131631271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 783436 + ... + 783603.

Almost surely, 2^131631276 is an apocalyptic number.

It is an amenable number.

131631276 is an abundant number, since it is smaller than the sum of its proper divisors (219385684).

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

131631276 is a wasteful number, since it uses less digits than its factorization.

131631276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1567053 (or 1567051 counting only the distinct ones).

The product of its digits is 4536, while the sum is 30.

The square root of 131631276 is about 11473.0674189599. The cubic root of 131631276 is about 508.6898011263.

The spelling of 131631276 in words is "one hundred thirty-one million, six hundred thirty-one thousand, two hundred seventy-six".