31234080 has 48 divisors (see below), whose sum is σ = 98388864. Its totient is φ = 8328960.

The previous prime is 31234061. The next prime is 31234109. The reversal of 31234080 is 8043213.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

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, 32056 + ... + 33015.

It is an arithmetic number, because the mean of its divisors is an integer number (2049768).

Almost surely, 2^31234080 is an apocalyptic number.

31234080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31234080 is an abundant number, since it is smaller than the sum of its proper divisors (67154784).

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

31234080 is a wasteful number, since it uses less digits than its factorization.

31234080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65089 (or 65081 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 31234080 is about 5588.7458342637. The cubic root of 31234080 is about 314.9267655399.

Adding to 31234080 its reverse (8043213), we get a palindrome (39277293).

The spelling of 31234080 in words is "thirty-one million, two hundred thirty-four thousand, eighty".