2313221220430 has 16 divisors (see below), whose sum is σ = 4166379625824. Its totient is φ = 924714837280.

The previous prime is 2313221220421. The next prime is 2313221220451. The reversal of 2313221220430 is 340221223132.

It is a junction number, because it is equal to n+sod(n) for n = 2313221220395 and 2313221220404.

It is a congruent number.

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, 71689426 + ... + 71721685.

It is an arithmetic number, because the mean of its divisors is an integer number (260398726614).

Almost surely, 2^{2313221220430} is an apocalyptic number.

2313221220430 is a deficient number, since it is larger than the sum of its proper divisors (1853158405394).

2313221220430 is a wasteful number, since it uses less digits than its factorization.

2313221220430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143412731.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 2313221220430 its reverse (340221223132), we get a palindrome (2653442443562).

The spelling of 2313221220430 in words is "two trillion, three hundred thirteen billion, two hundred twenty-one million, two hundred twenty thousand, four hundred thirty".