31226080 has 24 divisors (see below), whose sum is σ = 73771992. Its totient is φ = 12490368.

The previous prime is 31226057. The next prime is 31226089. The reversal of 31226080 is 8062213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31226089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97422 + ... + 97741.

It is an arithmetic number, because the mean of its divisors is an integer number (3073833).

Almost surely, 2^31226080 is an apocalyptic number.

It is an amenable number.

31226080 is an abundant number, since it is smaller than the sum of its proper divisors (42545912).

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

31226080 is a wasteful number, since it uses less digits than its factorization.

31226080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195178 (or 195170 counting only the distinct ones).

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

The square root of 31226080 is about 5588.0300643429. The cubic root of 31226080 is about 314.8998757958.

Adding to 31226080 its reverse (8062213), we get a palindrome (39288293).

The spelling of 31226080 in words is "thirty-one million, two hundred twenty-six thousand, eighty".