31460080 has 40 divisors (see below), whose sum is σ = 74160432. Its totient is φ = 12409344.

The previous prime is 31460063. The next prime is 31460129. The reversal of 31460080 is 8006413.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 3147 + ... + 8533.

Almost surely, 2^31460080 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 31460080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37080216).

31460080 is an abundant number, since it is smaller than the sum of its proper divisors (42700352).

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

31460080 is a wasteful number, since it uses less digits than its factorization.

31460080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5473 (or 5467 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 31460080 is about 5608.9285964434. The cubic root of 31460080 is about 315.6845112762.

Adding to 31460080 its reverse (8006413), we get a palindrome (39466493).

The spelling of 31460080 in words is "thirty-one million, four hundred sixty thousand, eighty".