2103311524 has 12 divisors (see below), whose sum is σ = 3714564700. Its totient is φ = 1042007328.

The previous prime is 2103311479. The next prime is 2103311527. The reversal of 2103311524 is 4251133012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1886338624 + 216972900 = 43432^2 + 14730^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2103311495 and 2103311504.

It is not an unprimeable number, because it can be changed into a prime (2103311527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2411619 + ... + 2412490.

Almost surely, 2^2103311524 is an apocalyptic number.

It is an amenable number.

2103311524 is a deficient number, since it is larger than the sum of its proper divisors (1611253176).

2103311524 is a wasteful number, since it uses less digits than its factorization.

2103311524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4824222 (or 4824220 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2103311524 is about 45861.8744056542. The cubic root of 2103311524 is about 1281.2519334843.

Adding to 2103311524 its reverse (4251133012), we get a palindrome (6354444536).

The spelling of 2103311524 in words is "two billion, one hundred three million, three hundred eleven thousand, five hundred twenty-four".