31034112 has 72 divisors (see below), whose sum is σ = 87491376. Its totient is φ = 9732096.

The previous prime is 31034099. The next prime is 31034117. The reversal of 31034112 is 21143013.

It is a super-2 number, since 2×31034112² = 1926232215257088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31034091 and 31034100.

It is not an unprimeable number, because it can be changed into a prime (31034117) 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, 11868 + ... + 14244.

It is an arithmetic number, because the mean of its divisors is an integer number (1215158).

Almost surely, 2^31034112 is an apocalyptic number.

31034112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31034112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43745688).

31034112 is an abundant number, since it is smaller than the sum of its proper divisors (56457264).

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

31034112 is a wasteful number, since it uses less digits than its factorization.

31034112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2413 (or 2399 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 31034112 is about 5570.8268686076. The cubic root of 31034112 is about 314.2532474923.

Adding to 31034112 its reverse (21143013), we get a palindrome (52177125).

The spelling of 31034112 in words is "thirty-one million, thirty-four thousand, one hundred twelve".