131631414 has 8 divisors (see below), whose sum is σ = 263262840. Its totient is φ = 43877136.

The previous prime is 131631413. The next prime is 131631427. The reversal of 131631414 is 414136131.

It is a sphenic number, since it is the product of 3 distinct primes.

131631414 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131631413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10969279 + ... + 10969290.

It is an arithmetic number, because the mean of its divisors is an integer number (32907855).

Almost surely, 2^131631414 is an apocalyptic number.

131631414 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

131631414 is a wasteful number, since it uses less digits than its factorization.

131631414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21938574.

The product of its digits is 864, while the sum is 24.

The square root of 131631414 is about 11473.0734330431. The cubic root of 131631414 is about 508.6899788935.

Adding to 131631414 its reverse (414136131), we get a palindrome (545767545).

The spelling of 131631414 in words is "one hundred thirty-one million, six hundred thirty-one thousand, four hundred fourteen".