31283404350052 has 12 divisors (see below), whose sum is σ = 54902822823100. Its totient is φ = 15596883543456.

The previous prime is 31283404350001. The next prime is 31283404350053. The reversal of 31283404350052 is 25005340438213.

It can be written as a sum of positive squares in 2 ways, for example, as 12965141309796 + 18318263040256 = 3600714^2 + 4279984^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31283404349987 and 31283404350014.

It is not an unprimeable number, because it can be changed into a prime (31283404350053) 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, 11204656323 + ... + 11204659114.

Almost surely, 2^{31283404350052} is an apocalyptic number.

It is an amenable number.

31283404350052 is a deficient number, since it is larger than the sum of its proper divisors (23619418473048).

31283404350052 is a wasteful number, since it uses less digits than its factorization.

31283404350052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22409315790 (or 22409315788 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

Adding to 31283404350052 its reverse (25005340438213), we get a palindrome (56288744788265).

The spelling of 31283404350052 in words is "thirty-one trillion, two hundred eighty-three billion, four hundred four million, three hundred fifty thousand, fifty-two".