100130231321320 has 16 divisors (see below), whose sum is σ = 225293020473060. Its totient is φ = 40052092528512.

The previous prime is 100130231321279. The next prime is 100130231321377. The reversal of 100130231321320 is 23123132031001.

It can be written as a sum of positive squares in 2 ways, for example, as 95745872740324 + 4384358580996 = 9784982^2 + 2093886^2 .

It is a super-2 number, since 2×100130231321320² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100130231321291 and 100130231321300.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1251627891477 + ... + 1251627891556.

Almost surely, 2^{100130231321320} is an apocalyptic number.

100130231321320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100130231321320 is an abundant number, since it is smaller than the sum of its proper divisors (125162789151740).

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

100130231321320 is a wasteful number, since it uses less digits than its factorization.

100130231321320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2503255783044 (or 2503255783040 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 100130231321320 its reverse (23123132031001), we get a palindrome (123253363352321).

The spelling of 100130231321320 in words is "one hundred trillion, one hundred thirty billion, two hundred thirty-one million, three hundred twenty-one thousand, three hundred twenty".