2313221213634 has 64 divisors (see below), whose sum is σ = 4794343776000. Its totient is φ = 743184433152.

The previous prime is 2313221213617. The next prime is 2313221213647. The reversal of 2313221213634 is 4363121223132.

It is a junction number, because it is equal to n+sod(n) for n = 2313221213595 and 2313221213604.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 261406042 + ... + 261414890.

It is an arithmetic number, because the mean of its divisors is an integer number (74911621500).

Almost surely, 2^{2313221213634} is an apocalyptic number.

2313221213634 is an abundant number, since it is smaller than the sum of its proper divisors (2481122562366).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2313221213634 is a wasteful number, since it uses less digits than its factorization.

2313221213634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11339.

The product of its digits is 31104, while the sum is 33.

Adding to 2313221213634 its reverse (4363121223132), we get a palindrome (6676342436766).

The spelling of 2313221213634 in words is "two trillion, three hundred thirteen billion, two hundred twenty-one million, two hundred thirteen thousand, six hundred thirty-four".