100320440303331 has 24 divisors (see below), whose sum is σ = 145250074556496. Its totient is φ = 66722108382720.

The previous prime is 100320440303327. The next prime is 100320440303371. The reversal of 100320440303331 is 133303044023001.

100320440303331 is a `hidden beast` number, since 1 + 0 + 0 + 3 + 20 + 4 + 4 + 0 + 303 + 331 = 666.

It is not a de Polignac number, because 100320440303331 - 2² = 100320440303327 is a prime.

It is a super-2 number, since 2×100320440303331² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100320440303295 and 100320440303304.

It is not an unprimeable number, because it can be changed into a prime (100320440303371) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69946591 + ... + 71366423.

It is an arithmetic number, because the mean of its divisors is an integer number (6052086439854).

Almost surely, 2^{100320440303331} is an apocalyptic number.

100320440303331 is a deficient number, since it is larger than the sum of its proper divisors (44929634253165).

100320440303331 is a wasteful number, since it uses less digits than its factorization.

100320440303331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438403 (or 1438400 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 100320440303331 its reverse (133303044023001), we get a palindrome (233623484326332).

The spelling of 100320440303331 in words is "one hundred trillion, three hundred twenty billion, four hundred forty million, three hundred three thousand, three hundred thirty-one".