10312331222 has 4 divisors (see below), whose sum is σ = 15468496836. Its totient is φ = 5156165610.

The previous prime is 10312331213. The next prime is 10312331269. The reversal of 10312331222 is 22213321301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22213321301 = 569 ⋅39039229.

It is a junction number, because it is equal to n+sod(n) for n = 10312331194 and 10312331203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2578082804 + ... + 2578082807.

It is an arithmetic number, because the mean of its divisors is an integer number (3867124209).

Almost surely, 2^10312331222 is an apocalyptic number.

10312331222 is a deficient number, since it is larger than the sum of its proper divisors (5156165614).

10312331222 is an equidigital number, since it uses as much as digits as its factorization.

10312331222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5156165613.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 10312331222 its reverse (22213321301), we get a palindrome (32525652523).

The spelling of 10312331222 in words is "ten billion, three hundred twelve million, three hundred thirty-one thousand, two hundred twenty-two".