100031132012 has 24 divisors (see below), whose sum is σ = 211830633504. Its totient is φ = 40348691712.

The previous prime is 100031132011. The next prime is 100031132059. The reversal of 100031132012 is 210231130001.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (100031132011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105074243 + ... + 105075194.

It is an arithmetic number, because the mean of its divisors is an integer number (8826276396).

Almost surely, 2^100031132012 is an apocalyptic number.

It is an amenable number.

100031132012 is an abundant number, since it is smaller than the sum of its proper divisors (111799501492).

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

100031132012 is a wasteful number, since it uses less digits than its factorization.

100031132012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210149465 (or 210149463 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 100031132012 its reverse (210231130001), we get a palindrome (310262262013).

The spelling of 100031132012 in words is "one hundred billion, thirty-one million, one hundred thirty-two thousand, twelve".