31550441322042 has 48 divisors (see below), whose sum is σ = 68442676946280. Its totient is φ = 10503986121216.

The previous prime is 31550441322041. The next prime is 31550441322053. The reversal of 31550441322042 is 24022314405513.

It is a happy number.

31550441322042 is a `hidden beast` number, since 3 + 1 + 5 + 5 + 0 + 441 + 3 + 2 + 204 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 14395263103881 + 17155178218161 = 3794109^2 + 4141881^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31550441321988 and 31550441322006.

It is not an unprimeable number, because it can be changed into a prime (31550441322041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 473008038 + ... + 473074734.

Almost surely, 2^{31550441322042} is an apocalyptic number.

31550441322042 is an abundant number, since it is smaller than the sum of its proper divisors (36892235624238).

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

31550441322042 is a wasteful number, since it uses less digits than its factorization.

31550441322042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98367 (or 98364 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 31550441322042 its reverse (24022314405513), we get a palindrome (55572755727555).

The spelling of 31550441322042 in words is "thirty-one trillion, five hundred fifty billion, four hundred forty-one million, three hundred twenty-two thousand, forty-two".