2321520116 has 12 divisors (see below), whose sum is σ = 4065744900. Its totient is φ = 1159878720.

The previous prime is 2321520107. The next prime is 2321520121. The reversal of 2321520116 is 6110251232.

It can be written as a sum of positive squares in 2 ways, for example, as 909263716 + 1412256400 = 30154^2 + 37580^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2321520091 and 2321520100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214391 + ... + 224958.

It is an arithmetic number, because the mean of its divisors is an integer number (338812075).

Almost surely, 2^2321520116 is an apocalyptic number.

It is an amenable number.

2321520116 is a deficient number, since it is larger than the sum of its proper divisors (1744224784).

2321520116 is a wasteful number, since it uses less digits than its factorization.

2321520116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440674 (or 440672 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 2321520116 is about 48182.1555765202. The cubic root of 2321520116 is about 1324.1102589180.

Adding to 2321520116 its reverse (6110251232), we get a palindrome (8431771348).

The spelling of 2321520116 in words is "two billion, three hundred twenty-one million, five hundred twenty thousand, one hundred sixteen".