31422102112 has 48 divisors (see below), whose sum is σ = 65942553600. Its totient is φ = 14695724160.

The previous prime is 31422102097. The next prime is 31422102113. The reversal of 31422102112 is 21120122413.

It is a super-2 number, since 2×31422102112² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 31422102112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31422102113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279064 + ... + 375127.

It is an arithmetic number, because the mean of its divisors is an integer number (1373803200).

Almost surely, 2^31422102112 is an apocalyptic number.

31422102112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31422102112 is an abundant number, since it is smaller than the sum of its proper divisors (34520451488).

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

31422102112 is a wasteful number, since it uses less digits than its factorization.

31422102112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654299 (or 654291 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 31422102112 its reverse (21120122413), we get a palindrome (52542224525).

The spelling of 31422102112 in words is "thirty-one billion, four hundred twenty-two million, one hundred two thousand, one hundred twelve".