103013121320 has 16 divisors (see below), whose sum is σ = 231779523060. Its totient is φ = 41205248512.

The previous prime is 103013121301. The next prime is 103013121331. The reversal of 103013121320 is 23121310301.

It can be written as a sum of positive squares in 2 ways, for example, as 99852208036 + 3160913284 = 315994^2 + 56222^2 .

It is a super-2 number, since 2×103013121320² (a number of 23 digits) contains 22 as substring.

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, 1287663977 + ... + 1287664056.

Almost surely, 2^103013121320 is an apocalyptic number.

103013121320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103013121320 is an abundant number, since it is smaller than the sum of its proper divisors (128766401740).

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

103013121320 is a wasteful number, since it uses less digits than its factorization.

103013121320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2575328044 (or 2575328040 counting only the distinct ones).

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

Adding to 103013121320 its reverse (23121310301), we get a palindrome (126134431621).

The spelling of 103013121320 in words is "one hundred three billion, thirteen million, one hundred twenty-one thousand, three hundred twenty".