100331333145 has 24 divisors (see below), whose sum is σ = 174110164800. Its totient is φ = 53447730336.

The previous prime is 100331333111. The next prime is 100331333173. The reversal of 100331333145 is 541333133001.

100331333145 is a `hidden beast` number, since 10 + 0 + 3 + 313 + 331 + 4 + 5 = 666.

It is not a de Polignac number, because 100331333145 - 2¹⁰ = 100331332121 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1259125 + ... + 1336434.

It is an arithmetic number, because the mean of its divisors is an integer number (7254590200).

Almost surely, 2^100331333145 is an apocalyptic number.

100331333145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100331333145 is a deficient number, since it is larger than the sum of its proper divisors (73778831655).

100331333145 is a wasteful number, since it uses less digits than its factorization.

100331333145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2596429 (or 2596426 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 27.

Adding to 100331333145 its reverse (541333133001), we get a palindrome (641664466146).

The spelling of 100331333145 in words is "one hundred billion, three hundred thirty-one million, three hundred thirty-three thousand, one hundred forty-five".