31233130123222 has 16 divisors (see below), whose sum is σ = 48032331170544. Its totient is φ = 15222987360000.

The previous prime is 31233130123213. The next prime is 31233130123229. The reversal of 31233130123222 is 22232103133213.

It is a happy number.

It is a super-2 number, since 2×31233130123222² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31233130123229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158474304 + ... + 158671267.

It is an arithmetic number, because the mean of its divisors is an integer number (3002020698159).

Almost surely, 2^{31233130123222} is an apocalyptic number.

31233130123222 is a deficient number, since it is larger than the sum of its proper divisors (16799201047322).

31233130123222 is a wasteful number, since it uses less digits than its factorization.

31233130123222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317146815.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 31233130123222 its reverse (22232103133213), we get a palindrome (53465233256435).

The spelling of 31233130123222 in words is "thirty-one trillion, two hundred thirty-three billion, one hundred thirty million, one hundred twenty-three thousand, two hundred twenty-two".