2312421550216 has 8 divisors (see below), whose sum is σ = 4335790406670. Its totient is φ = 1156210775104.

The previous prime is 2312421550193. The next prime is 2312421550261. The reversal of 2312421550216 is 6120551242132.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2089892357316 + 222529192900 = 1445646^2 + 471730^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144526346881 + ... + 144526346896.

Almost surely, 2^{2312421550216} is an apocalyptic number.

It is an amenable number.

2312421550216 is a deficient number, since it is larger than the sum of its proper divisors (2023368856454).

2312421550216 is a wasteful number, since it uses less digits than its factorization.

2312421550216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289052693783 (or 289052693779 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 2312421550216 its reverse (6120551242132), we get a palindrome (8432972792348).

The spelling of 2312421550216 in words is "two trillion, three hundred twelve billion, four hundred twenty-one million, five hundred fifty thousand, two hundred sixteen".