31323441335512 has 32 divisors (see below), whose sum is σ = 59448239812080. Its totient is φ = 15470635668480.

The previous prime is 31323441335453. The next prime is 31323441335519. The reversal of 31323441335512 is 21553314432313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31323441335519) 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, 663988 + ... + 7942780.

Almost surely, 2^{31323441335512} is an apocalyptic number.

It is an amenable number.

31323441335512 is a deficient number, since it is larger than the sum of its proper divisors (28124798476568).

31323441335512 is a wasteful number, since it uses less digits than its factorization.

31323441335512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7285363 (or 7285359 counting only the distinct ones).

The product of its digits is 388800, while the sum is 40.

Adding to 31323441335512 its reverse (21553314432313), we get a palindrome (52876755767825).

The spelling of 31323441335512 in words is "thirty-one trillion, three hundred twenty-three billion, four hundred forty-one million, three hundred thirty-five thousand, five hundred twelve".