31101031112 has 32 divisors (see below), whose sum is σ = 61022350080. Its totient is φ = 14832238080.

The previous prime is 31101031103. The next prime is 31101031141. The reversal of 31101031112 is 21113010113.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174464 + ... + 304367.

It is an arithmetic number, because the mean of its divisors is an integer number (1906948440).

Almost surely, 2^31101031112 is an apocalyptic number.

It is an amenable number.

31101031112 is a deficient number, since it is larger than the sum of its proper divisors (29921318968).

31101031112 is a wasteful number, since it uses less digits than its factorization.

31101031112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479213 (or 479209 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 31101031112 its reverse (21113010113), we get a palindrome (52214041225).

The spelling of 31101031112 in words is "thirty-one billion, one hundred one million, thirty-one thousand, one hundred twelve".