31442233224412 has 12 divisors (see below), whose sum is σ = 55023997614376. Its totient is φ = 15721091048880.

The previous prime is 31442233224401. The next prime is 31442233224431. The reversal of 31442233224412 is 21442233224413.

It is a super-2 number, since 2×31442233224412² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3475638 + ... + 8658205.

Almost surely, 2^{31442233224412} is an apocalyptic number.

It is an amenable number.

31442233224412 is a deficient number, since it is larger than the sum of its proper divisors (23581764389964).

31442233224412 is a wasteful number, since it uses less digits than its factorization.

31442233224412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12781668 (or 12781666 counting only the distinct ones).

The product of its digits is 221184, while the sum is 37.

Adding to 31442233224412 its reverse (21442233224413), we get a palindrome (52884466448825).

Subtracting from 31442233224412 its reverse (21442233224413), we obtain a palindrome (9999999999999).

The spelling of 31442233224412 in words is "thirty-one trillion, four hundred forty-two billion, two hundred thirty-three million, two hundred twenty-four thousand, four hundred twelve".