31233444040004 has 12 divisors (see below), whose sum is σ = 54658993083324. Its totient is φ = 15616588873344.

The previous prime is 31233444039947. The next prime is 31233444040049. The reversal of 31233444040004 is 40004044433213.

It can be written as a sum of positive squares in 2 ways, for example, as 23996752227904 + 7236691812100 = 4898648^2 + 2690110^2 .

It is a super-2 number, since 2×31233444040004² (a number of 28 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 32757929 + ... + 33697904.

It is an arithmetic number, because the mean of its divisors is an integer number (4554916090277).

Almost surely, 2^{31233444040004} is an apocalyptic number.

It is an amenable number.

31233444040004 is a deficient number, since it is larger than the sum of its proper divisors (23425549043320).

31233444040004 is a wasteful number, since it uses less digits than its factorization.

31233444040004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66573334 (or 66573332 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 31233444040004 its reverse (40004044433213), we get a palindrome (71237488473217).

The spelling of 31233444040004 in words is "thirty-one trillion, two hundred thirty-three billion, four hundred forty-four million, forty thousand, four".