31332223212232 has 64 divisors (see below), whose sum is σ = 60990289920000. Its totient is φ = 15078728171520.

The previous prime is 31332223212223. The next prime is 31332223212263. The reversal of 31332223212232 is 23221232223313.

It is a super-2 number, since 2×31332223212232² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31332223212194 and 31332223212203.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32668744 + ... + 33614152.

It is an arithmetic number, because the mean of its divisors is an integer number (952973280000).

Almost surely, 2^{31332223212232} is an apocalyptic number.

It is an amenable number.

31332223212232 is a deficient number, since it is larger than the sum of its proper divisors (29658066707768).

31332223212232 is a wasteful number, since it uses less digits than its factorization.

31332223212232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946814 (or 946810 counting only the distinct ones).

The product of its digits is 31104, while the sum is 31.

Adding to 31332223212232 its reverse (23221232223313), we get a palindrome (54553455435545).

The spelling of 31332223212232 in words is "thirty-one trillion, three hundred thirty-two billion, two hundred twenty-three million, two hundred twelve thousand, two hundred thirty-two".