31332013144422 has 16 divisors (see below), whose sum is σ = 62664081133680. Its totient is φ = 10443995240672.

The previous prime is 31332013144387. The next prime is 31332013144483. The reversal of 31332013144422 is 22444131023313.

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, 12491308 + ... + 14788400.

It is an arithmetic number, because the mean of its divisors is an integer number (3916505070855).

Almost surely, 2^{31332013144422} is an apocalyptic number.

31332013144422 is an abundant number, since it is smaller than the sum of its proper divisors (31332067989258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31332013144422 is a wasteful number, since it uses less digits than its factorization.

31332013144422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4570407.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 31332013144422 its reverse (22444131023313), we get a palindrome (53776144167735).

The spelling of 31332013144422 in words is "thirty-one trillion, three hundred thirty-two billion, thirteen million, one hundred forty-four thousand, four hundred twenty-two".