103311312320 has 28 divisors (see below), whose sum is σ = 246010063224. Its totient is φ = 41324524800.

The previous prime is 103311312263. The next prime is 103311312341. The reversal of 103311312320 is 23213113301.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 103311312292 and 103311312301.

It is a congruent number.

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, 161423606 + ... + 161424245.

Almost surely, 2^103311312320 is an apocalyptic number.

103311312320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103311312320 is an abundant number, since it is smaller than the sum of its proper divisors (142698750904).

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

103311312320 is an equidigital number, since it uses as much as digits as its factorization.

103311312320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322847868 (or 322847858 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 103311312320 its reverse (23213113301), we get a palindrome (126524425621).

The spelling of 103311312320 in words is "one hundred three billion, three hundred eleven million, three hundred twelve thousand, three hundred twenty".