31224121334 has 24 divisors (see below), whose sum is σ = 54520805520. Its totient is φ = 13372457616.

The previous prime is 31224121319. The next prime is 31224121363. The reversal of 31224121334 is 43312142213.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31712 + ... + 251900.

It is an arithmetic number, because the mean of its divisors is an integer number (2271700230).

Almost surely, 2^31224121334 is an apocalyptic number.

31224121334 is a deficient number, since it is larger than the sum of its proper divisors (23296684186).

31224121334 is a wasteful number, since it uses less digits than its factorization.

31224121334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221652 (or 221645 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

Adding to 31224121334 its reverse (43312142213), we get a palindrome (74536263547).

The spelling of 31224121334 in words is "thirty-one billion, two hundred twenty-four million, one hundred twenty-one thousand, three hundred thirty-four".