2103313520 has 80 divisors (see below), whose sum is σ = 6096895488. Its totient is φ = 655576320.

The previous prime is 2103313519. The next prime is 2103313529. The reversal of 2103313520 is 253133012.

It is a tau number, because it is divible by the number of its divisors (80).

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 = 2103313492 and 2103313501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103313529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164564 + ... + 176883.

Almost surely, 2^2103313520 is an apocalyptic number.

2103313520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2103313520 is an abundant number, since it is smaller than the sum of its proper divisors (3993581968).

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

2103313520 is a wasteful number, since it uses less digits than its factorization.

2103313520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341478 (or 341472 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 2103313520 is about 45861.8961666436. The cubic root of 2103313520 is about 1281.2523387782.

Adding to 2103313520 its reverse (253133012), we get a palindrome (2356446532).

The spelling of 2103313520 in words is "two billion, one hundred three million, three hundred thirteen thousand, five hundred twenty".