100031013031231 has 8 divisors (see below), whose sum is σ = 104547166128720. Its totient is φ = 95585980455168.

The previous prime is 100031013031211. The next prime is 100031013031253. The reversal of 100031013031231 is 132130310130001.

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

It is a cyclic number.

It is not a de Polignac number, because 100031013031231 - 2¹⁵ = 100031012998463 is a prime.

It is a super-2 number, since 2×100031013031231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100031013031199 and 100031013031208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100031013031211) 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, 17780127481 + ... + 17780133106.

It is an arithmetic number, because the mean of its divisors is an integer number (13068395766090).

Almost surely, 2^{100031013031231} is an apocalyptic number.

100031013031231 is a deficient number, since it is larger than the sum of its proper divisors (4516153097489).

100031013031231 is an equidigital number, since it uses as much as digits as its factorization.

100031013031231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35560260713.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 100031013031231 its reverse (132130310130001), we get a palindrome (232161323161232).

The spelling of 100031013031231 in words is "one hundred trillion, thirty-one billion, thirteen million, thirty-one thousand, two hundred thirty-one".