31034080 has 144 divisors (see below), whose sum is σ = 92504160. Its totient is φ = 9630720.

The previous prime is 31034077. The next prime is 31034093. The reversal of 31034080 is 8043013.

It is a super-2 number, since 2×31034080² = 1926228242892800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 135406 + ... + 135634.

It is an arithmetic number, because the mean of its divisors is an integer number (642390).

Almost surely, 2^31034080 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 31034080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46252080).

31034080 is an abundant number, since it is smaller than the sum of its proper divisors (61470080).

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

31034080 is a wasteful number, since it uses less digits than its factorization.

31034080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 31034080 is about 5570.8239965018. The cubic root of 31034080 is about 314.2531394810.

Adding to 31034080 its reverse (8043013), we get a palindrome (39077093).

The spelling of 31034080 in words is "thirty-one million, thirty-four thousand, eighty".