31223421241330 has 64 divisors (see below), whose sum is σ = 59921233920000. Its totient is φ = 11679880874688.

The previous prime is 31223421241153. The next prime is 31223421241351. The reversal of 31223421241330 is 3314212432213.

It is a junction number, because it is equal to n+sod(n) for n = 31223421241292 and 31223421241301.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74345271 + ... + 74764069.

It is an arithmetic number, because the mean of its divisors is an integer number (936269280000).

Almost surely, 2^{31223421241330} is an apocalyptic number.

31223421241330 is a deficient number, since it is larger than the sum of its proper divisors (28697812678670).

31223421241330 is a wasteful number, since it uses less digits than its factorization.

31223421241330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423871.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 31223421241330 its reverse (3314212432213), we get a palindrome (34537633673543).

The spelling of 31223421241330 in words is "thirty-one trillion, two hundred twenty-three billion, four hundred twenty-one million, two hundred forty-one thousand, three hundred thirty".