100213031001320 has 16 divisors (see below), whose sum is σ = 225479319753060. Its totient is φ = 40085212400512.

The previous prime is 100213031001241. The next prime is 100213031001323. The reversal of 100213031001320 is 23100130312001.

It can be written as a sum of positive squares in 2 ways, for example, as 97966563613636 + 2246467387684 = 9897806^2 + 1498822^2 .

It is not an unprimeable number, because it can be changed into a prime (100213031001323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1252662887477 + ... + 1252662887556.

Almost surely, 2^{100213031001320} is an apocalyptic number.

100213031001320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100213031001320 is an abundant number, since it is smaller than the sum of its proper divisors (125266288751740).

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

100213031001320 is a wasteful number, since it uses less digits than its factorization.

100213031001320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2505325775044 (or 2505325775040 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 100213031001320 its reverse (23100130312001), we get a palindrome (123313161313321).

The spelling of 100213031001320 in words is "one hundred trillion, two hundred thirteen billion, thirty-one million, one thousand, three hundred twenty".