31233444002212 has 6 divisors (see below), whose sum is σ = 54658527003878. Its totient is φ = 15616722001104.

The previous prime is 31233444002183. The next prime is 31233444002231. The reversal of 31233444002212 is 21220044433213.

It can be written as a sum of positive squares in only one way, i.e., 30511990822756 + 721453179456 = 5523766^2 + 849384^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3904180500273 + ... + 3904180500280.

Almost surely, 2^{31233444002212} is an apocalyptic number.

It is an amenable number.

31233444002212 is a deficient number, since it is larger than the sum of its proper divisors (23425083001666).

31233444002212 is a wasteful number, since it uses less digits than its factorization.

31233444002212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7808361000557 (or 7808361000555 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 31233444002212 its reverse (21220044433213), we get a palindrome (52453488435425).

The spelling of 31233444002212 in words is "thirty-one trillion, two hundred thirty-three billion, four hundred forty-four million, two thousand, two hundred twelve".