31034000 has 80 divisors (see below), whose sum is σ = 76602240. Its totient is φ = 12156800.

The previous prime is 31033999. The next prime is 31034021. The reversal of 31034000 is 43013.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117869 + ... + 118131.

It is an arithmetic number, because the mean of its divisors is an integer number (957528).

Almost surely, 2^31034000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31034000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38301120).

31034000 is an abundant number, since it is smaller than the sum of its proper divisors (45568240).

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

31034000 is a wasteful number, since it uses less digits than its factorization.

31034000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345 (or 329 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 31034000 is about 5570.8168162308. The cubic root of 31034000 is about 314.2528694523.

Adding to 31034000 its reverse (43013), we get a palindrome (31077013).

The spelling of 31034000 in words is "thirty-one million, thirty-four thousand".