1223313031132 has 24 divisors (see below), whose sum is σ = 2142334599552. Its totient is φ = 611217600000.

The previous prime is 1223313031091. The next prime is 1223313031211. The reversal of 1223313031132 is 2311303133221.

It is a junction number, because it is equal to n+sod(n) for n = 1223313031097 and 1223313031106.

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, 33605013 + ... + 33641395.

It is an arithmetic number, because the mean of its divisors is an integer number (89263941648).

Almost surely, 2^{1223313031132} is an apocalyptic number.

It is an amenable number.

1223313031132 is a deficient number, since it is larger than the sum of its proper divisors (919021568420).

1223313031132 is a wasteful number, since it uses less digits than its factorization.

1223313031132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42189 (or 42187 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 1223313031132 its reverse (2311303133221), we get a palindrome (3534616164353).

The spelling of 1223313031132 in words is "one trillion, two hundred twenty-three billion, three hundred thirteen million, thirty-one thousand, one hundred thirty-two".