31422442124312 has 16 divisors (see below), whose sum is σ = 58918250283840. Its totient is φ = 15710908715296.

The previous prime is 31422442124303. The next prime is 31422442124327. The reversal of 31422442124312 is 21342124422413.

It is a super-2 number, since 2×31422442124312² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38615528 + ... + 39420855.

It is an arithmetic number, because the mean of its divisors is an integer number (3682390642740).

Almost surely, 2^{31422442124312} is an apocalyptic number.

It is an amenable number.

31422442124312 is a deficient number, since it is larger than the sum of its proper divisors (27495808159528).

31422442124312 is a wasteful number, since it uses less digits than its factorization.

31422442124312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78086722 (or 78086718 counting only the distinct ones).

The product of its digits is 73728, while the sum is 35.

Adding to 31422442124312 its reverse (21342124422413), we get a palindrome (52764566546725).

The spelling of 31422442124312 in words is "thirty-one trillion, four hundred twenty-two billion, four hundred forty-two million, one hundred twenty-four thousand, three hundred twelve".