31012110212 has 48 divisors (see below), whose sum is σ = 57525479424. Its totient is φ = 14604864000.

The previous prime is 31012110211. The next prime is 31012110229. The reversal of 31012110212 is 21201121013.

It is not an unprimeable number, because it can be changed into a prime (31012110211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2184128 + ... + 2198280.

It is an arithmetic number, because the mean of its divisors is an integer number (1198447488).

Almost surely, 2^31012110212 is an apocalyptic number.

It is an amenable number.

31012110212 is a deficient number, since it is larger than the sum of its proper divisors (26513369212).

31012110212 is a wasteful number, since it uses less digits than its factorization.

31012110212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14660 (or 14658 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 31012110212 its reverse (21201121013), we get a palindrome (52213231225).

The spelling of 31012110212 in words is "thirty-one billion, twelve million, one hundred ten thousand, two hundred twelve".