100031331002124 has 48 divisors (see below), whose sum is σ = 234007953590880. Its totient is φ = 33257878241280.

The previous prime is 100031331002077. The next prime is 100031331002129. The reversal of 100031331002124 is 421200133130001.

It is a super-2 number, since 2×100031331002124² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100031331002124.

It is not an unprimeable number, because it can be changed into a prime (100031331002129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23132812 + ... + 27114380.

It is an arithmetic number, because the mean of its divisors is an integer number (4875165699810).

Almost surely, 2^{100031331002124} is an apocalyptic number.

It is an amenable number.

100031331002124 is an abundant number, since it is smaller than the sum of its proper divisors (133976622588756).

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

100031331002124 is a wasteful number, since it uses less digits than its factorization.

100031331002124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3986970 (or 3986968 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 100031331002124 its reverse (421200133130001), we get a palindrome (521231464132125).

The spelling of 100031331002124 in words is "one hundred trillion, thirty-one billion, three hundred thirty-one million, two thousand, one hundred twenty-four".