21410312324 has 24 divisors (see below), whose sum is σ = 37758069048. Its totient is φ = 10622361600.

The previous prime is 21410312311. The next prime is 21410312333. The reversal of 21410312324 is 42321301412.

It can be written as a sum of positive squares in 4 ways, for example, as 17934030724 + 3476281600 = 133918^2 + 58960^2 .

It is a super-2 number, since 2×21410312324² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 21410312324.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1479524 + ... + 1493924.

It is an arithmetic number, because the mean of its divisors is an integer number (1573252877).

Almost surely, 2^21410312324 is an apocalyptic number.

It is an amenable number.

21410312324 is a deficient number, since it is larger than the sum of its proper divisors (16347756724).

21410312324 is a wasteful number, since it uses less digits than its factorization.

21410312324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17255 (or 17253 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 21410312324 its reverse (42321301412), we get a palindrome (63731613736).

The spelling of 21410312324 in words is "twenty-one billion, four hundred ten million, three hundred twelve thousand, three hundred twenty-four".