31402222120112 has 10 divisors (see below), whose sum is σ = 60841805357748. Its totient is φ = 15701111060048.

The previous prime is 31402222120111. The next prime is 31402222120169. The reversal of 31402222120112 is 21102122220413.

It is not an unprimeable number, because it can be changed into a prime (31402222120111) by changing a digit.

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 as a sum of consecutive naturals, namely, 981319441238 + ... + 981319441269.

Almost surely, 2^{31402222120112} is an apocalyptic number.

It is an amenable number.

31402222120112 is a deficient number, since it is larger than the sum of its proper divisors (29439583237636).

31402222120112 is a wasteful number, since it uses less digits than its factorization.

31402222120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1962638882515 (or 1962638882509 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 31402222120112 its reverse (21102122220413), we get a palindrome (52504344340525).

The spelling of 31402222120112 in words is "thirty-one trillion, four hundred two billion, two hundred twenty-two million, one hundred twenty thousand, one hundred twelve".