31232133222 has 16 divisors (see below), whose sum is σ = 62533146432. Its totient is φ = 10399231080.

The previous prime is 31232133221. The next prime is 31232133241. The reversal of 31232133222 is 22233123213.

It is a super-2 number, since 2×31232133222² (a number of 22 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 31232133192 and 31232133201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31232133221) 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, 2864104 + ... + 2874987.

It is an arithmetic number, because the mean of its divisors is an integer number (3908321652).

Almost surely, 2^31232133222 is an apocalyptic number.

31232133222 is an abundant number, since it is smaller than the sum of its proper divisors (31301013210).

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

31232133222 is a wasteful number, since it uses less digits than its factorization.

31232133222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5740003.

The product of its digits is 2592, while the sum is 24.

Adding to 31232133222 its reverse (22233123213), we get a palindrome (53465256435).

It can be divided in two parts, 312321 and 33222, that added together give a palindrome (345543).

The spelling of 31232133222 in words is "thirty-one billion, two hundred thirty-two million, one hundred thirty-three thousand, two hundred twenty-two".