31422022412 has 12 divisors (see below), whose sum is σ = 59987497416. Its totient is φ = 14282737440.

The previous prime is 31422022397. The next prime is 31422022417. The reversal of 31422022412 is 21422022413.

It is not an unprimeable number, because it can be changed into a prime (31422022417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357068393 + ... + 357068480.

It is an arithmetic number, because the mean of its divisors is an integer number (4998958118).

Almost surely, 2^31422022412 is an apocalyptic number.

It is an amenable number.

31422022412 is a deficient number, since it is larger than the sum of its proper divisors (28565475004).

31422022412 is a wasteful number, since it uses less digits than its factorization.

31422022412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714136888 (or 714136886 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 31422022412 its reverse (21422022413), we get a palindrome (52844044825).

Subtracting from 31422022412 its reverse (21422022413), we obtain a palindrome (9999999999).

The spelling of 31422022412 in words is "thirty-one billion, four hundred twenty-two million, twenty-two thousand, four hundred twelve".