100303343131 has 4 divisors (see below), whose sum is σ = 100303980264. Its totient is φ = 100302706000.

The previous prime is 100303343069. The next prime is 100303343171. The reversal of 100303343131 is 131343303001.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 131343303001 = 12323 ⋅10658387.

It is a cyclic number.

It is not a de Polignac number, because 100303343131 - 2⁷ = 100303343003 is a prime.

It is a super-2 number, since 2×100303343131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100303343171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107736 + ... + 460666.

It is an arithmetic number, because the mean of its divisors is an integer number (25075995066).

Almost surely, 2^100303343131 is an apocalyptic number.

100303343131 is a deficient number, since it is larger than the sum of its proper divisors (637133).

100303343131 is an equidigital number, since it uses as much as digits as its factorization.

100303343131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637132.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 100303343131 its reverse (131343303001), we get a palindrome (231646646132).

The spelling of 100303343131 in words is "one hundred billion, three hundred three million, three hundred forty-three thousand, one hundred thirty-one".