2103312520 has 32 divisors (see below), whose sum is σ = 4799113920. Its totient is φ = 829474240.

The previous prime is 2103312509. The next prime is 2103312529. The reversal of 2103312520 is 252133012.

It is not an unprimeable number, because it can be changed into a prime (2103312529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 367462 + ... + 373141.

It is an arithmetic number, because the mean of its divisors is an integer number (149972310).

Almost surely, 2^2103312520 is an apocalyptic number.

2103312520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2103312520 is an abundant number, since it is smaller than the sum of its proper divisors (2695801400).

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

2103312520 is a wasteful number, since it uses less digits than its factorization.

2103312520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740685 (or 740681 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 2103312520 is about 45861.8852643456. The cubic root of 2103312520 is about 1281.2521357252.

Adding to 2103312520 its reverse (252133012), we get a palindrome (2355445532).

The spelling of 2103312520 in words is "two billion, one hundred three million, three hundred twelve thousand, five hundred twenty".