31241404212 has 96 divisors (see below), whose sum is σ = 77356511232. Its totient is φ = 9800009856.

The previous prime is 31241404199. The next prime is 31241404241. The reversal of 31241404212 is 21240414213.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1958533 + ... + 1974419.

It is an arithmetic number, because the mean of its divisors is an integer number (805796992).

Almost surely, 2^31241404212 is an apocalyptic number.

It is an amenable number.

31241404212 is an abundant number, since it is smaller than the sum of its proper divisors (46115107020).

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

31241404212 is a wasteful number, since it uses less digits than its factorization.

31241404212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16077 (or 16075 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 31241404212 its reverse (21240414213), we get a palindrome (52481818425).

The spelling of 31241404212 in words is "thirty-one billion, two hundred forty-one million, four hundred four thousand, two hundred twelve".