31241212004 has 12 divisors (see below), whose sum is σ = 57549601200. Its totient is φ = 14798468808.

The previous prime is 31241212003. The next prime is 31241212063. The reversal of 31241212004 is 40021214213.

It is not an unprimeable number, because it can be changed into a prime (31241212003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205534214 + ... + 205534365.

It is an arithmetic number, because the mean of its divisors is an integer number (4795800100).

Almost surely, 2^31241212004 is an apocalyptic number.

It is an amenable number.

31241212004 is a deficient number, since it is larger than the sum of its proper divisors (26308389196).

31241212004 is a wasteful number, since it uses less digits than its factorization.

31241212004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411068602 (or 411068600 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 31241212004 its reverse (40021214213), we get a palindrome (71262426217).

The spelling of 31241212004 in words is "thirty-one billion, two hundred forty-one million, two hundred twelve thousand, four".