2101312324 has 6 divisors (see below), whose sum is σ = 3677296574. Its totient is φ = 1050656160.

The previous prime is 2101312307. The next prime is 2101312327. The reversal of 2101312324 is 4232131012.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2101305600 + 6724 = 45840^2 + 82^2 .

It is not an unprimeable number, because it can be changed into a prime (2101312327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262664037 + ... + 262664044.

Almost surely, 2^2101312324 is an apocalyptic number.

It is an amenable number.

2101312324 is a deficient number, since it is larger than the sum of its proper divisors (1575984250).

2101312324 is a wasteful number, since it uses less digits than its factorization.

2101312324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525328085 (or 525328083 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2101312324 is about 45840.0733420007. The cubic root of 2101312324 is about 1280.8458609921.

Adding to 2101312324 its reverse (4232131012), we get a palindrome (6333443336).

The spelling of 2101312324 in words is "two billion, one hundred one million, three hundred twelve thousand, three hundred twenty-four".