31332220324340 has 24 divisors (see below), whose sum is σ = 70859021349480. Its totient is φ = 11568819811968.

The previous prime is 31332220324333. The next prime is 31332220324399. The reversal of 31332220324340 is 4342302223313.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1190429380624 + 30141790943716 = 1091068^2 + 5490154^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31332220324297 and 31332220324306.

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, 60254269595 + ... + 60254270114.

It is an arithmetic number, because the mean of its divisors is an integer number (2952459222895).

Almost surely, 2^{31332220324340} is an apocalyptic number.

It is an amenable number.

31332220324340 is an abundant number, since it is smaller than the sum of its proper divisors (39526801025140).

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

31332220324340 is a wasteful number, since it uses less digits than its factorization.

31332220324340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120508539731 (or 120508539729 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 32.

Adding to 31332220324340 its reverse (4342302223313), we get a palindrome (35674522547653).

The spelling of 31332220324340 in words is "thirty-one trillion, three hundred thirty-two billion, two hundred twenty million, three hundred twenty-four thousand, three hundred forty".