31012110122 has 16 divisors (see below), whose sum is σ = 55475079552. Its totient is φ = 12713038800.

The previous prime is 31012110121. The next prime is 31012110127. The reversal of 31012110122 is 22101121013.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 31012110097 and 31012110106.

It is not an unprimeable number, because it can be changed into a prime (31012110121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48155129 + ... + 48155772.

It is an arithmetic number, because the mean of its divisors is an integer number (3467192472).

Almost surely, 2^31012110122 is an apocalyptic number.

31012110122 is a deficient number, since it is larger than the sum of its proper divisors (24462969430).

31012110122 is a wasteful number, since it uses less digits than its factorization.

31012110122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96310933.

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

Adding to 31012110122 its reverse (22101121013), we get a palindrome (53113231135).

The spelling of 31012110122 in words is "thirty-one billion, twelve million, one hundred ten thousand, one hundred twenty-two".