31054812 has 24 divisors (see below), whose sum is σ = 72573312. Its totient is φ = 10335600.

The previous prime is 31054787. The next prime is 31054847. The reversal of 31054812 is 21845013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8137 + ... + 11327.

It is an arithmetic number, because the mean of its divisors is an integer number (3023888).

Almost surely, 2^31054812 is an apocalyptic number.

It is an amenable number.

31054812 is an abundant number, since it is smaller than the sum of its proper divisors (41518500).

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

31054812 is a wasteful number, since it uses less digits than its factorization.

31054812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4009 (or 4007 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 31054812 is about 5572.6844518598. The cubic root of 31054812 is about 314.3231017702.

Adding to 31054812 its reverse (21845013), we get a palindrome (52899825).

The spelling of 31054812 in words is "thirty-one million, fifty-four thousand, eight hundred twelve".