100343111331 has 8 divisors (see below), whose sum is σ = 133810451200. Its totient is φ = 66885589512.

The previous prime is 100343111311. The next prime is 100343111369. The reversal of 100343111331 is 133111343001.

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

It is not a de Polignac number, because 100343111331 - 2¹⁹ = 100342587043 is a prime.

It is a super-2 number, since 2×100343111331² (a number of 23 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 = 100343111298 and 100343111307.

It is not an unprimeable number, because it can be changed into a prime (100343111311) 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, 2430631 + ... + 2471568.

It is an arithmetic number, because the mean of its divisors is an integer number (16726306400).

Almost surely, 2^100343111331 is an apocalyptic number.

100343111331 is a deficient number, since it is larger than the sum of its proper divisors (33467339869).

100343111331 is an equidigital number, since it uses as much as digits as its factorization.

100343111331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4909025.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 100343111331 its reverse (133111343001), we get a palindrome (233454454332).

The spelling of 100343111331 in words is "one hundred billion, three hundred forty-three million, one hundred eleven thousand, three hundred thirty-one".