12331631787 has 8 divisors (see below), whose sum is σ = 16843204560. Its totient is φ = 8020573440.

The previous prime is 12331631779. The next prime is 12331631821. The reversal of 12331631787 is 78713613321.

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

It is not a de Polignac number, because 12331631787 - 2³ = 12331631779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12331631287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50128462 + ... + 50128707.

It is an arithmetic number, because the mean of its divisors is an integer number (2105400570).

Almost surely, 2^12331631787 is an apocalyptic number.

12331631787 is a deficient number, since it is larger than the sum of its proper divisors (4511572773).

12331631787 is a wasteful number, since it uses less digits than its factorization.

12331631787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100257213.

The product of its digits is 127008, while the sum is 42.

The spelling of 12331631787 in words is "twelve billion, three hundred thirty-one million, six hundred thirty-one thousand, seven hundred eighty-seven".