31045112 has 16 divisors (see below), whose sum is σ = 66525360. Its totient is φ = 13305024.

The previous prime is 31045103. The next prime is 31045117. The reversal of 31045112 is 21154013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31045117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277133 + ... + 277244.

It is an arithmetic number, because the mean of its divisors is an integer number (4157835).

Almost surely, 2^31045112 is an apocalyptic number.

It is an amenable number.

31045112 is an abundant number, since it is smaller than the sum of its proper divisors (35480248).

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

31045112 is a wasteful number, since it uses less digits than its factorization.

31045112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554390 (or 554386 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 31045112 is about 5571.8140672496. The cubic root of 31045112 is about 314.2903719892.

Adding to 31045112 its reverse (21154013), we get a palindrome (52199125).

The spelling of 31045112 in words is "thirty-one million, forty-five thousand, one hundred twelve".