100231023313220 has 48 divisors (see below), whose sum is σ = 215385342435648. Its totient is φ = 39159084074880.

The previous prime is 100231023313199. The next prime is 100231023313231. The reversal of 100231023313220 is 22313320132001.

It is a super-2 number, since 2×100231023313220² (a number of 29 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 34849502 + ... + 37615818.

It is an arithmetic number, because the mean of its divisors is an integer number (4487194634076).

Almost surely, 2^{100231023313220} is an apocalyptic number.

100231023313220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100231023313220 is an abundant number, since it is smaller than the sum of its proper divisors (115154319122428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100231023313220 is a wasteful number, since it uses less digits than its factorization.

100231023313220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2808500 (or 2808498 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 100231023313220 its reverse (22313320132001), we get a palindrome (122544343445221).

The spelling of 100231023313220 in words is "one hundred trillion, two hundred thirty-one billion, twenty-three million, three hundred thirteen thousand, two hundred twenty".