103312001320 has 64 divisors (see below), whose sum is σ = 253880827200. Its totient is φ = 37524026880.

The previous prime is 103312001257. The next prime is 103312001371. The reversal of 103312001320 is 23100213301.

It is a junction number, because it is equal to n+sod(n) for n = 103312001294 and 103312001303.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240091 + ... + 514069.

It is an arithmetic number, because the mean of its divisors is an integer number (3966887925).

Almost surely, 2^103312001320 is an apocalyptic number.

103312001320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103312001320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126940413600).

103312001320 is an abundant number, since it is smaller than the sum of its proper divisors (150568825880).

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

103312001320 is a wasteful number, since it uses less digits than its factorization.

103312001320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274858 (or 274854 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 103312001320 its reverse (23100213301), we get a palindrome (126412214621).

The spelling of 103312001320 in words is "one hundred three billion, three hundred twelve million, one thousand, three hundred twenty".