31550130422 has 12 divisors (see below), whose sum is σ = 47747747580. Its totient is φ = 15635450208.

The previous prime is 31550130421. The next prime is 31550130427. The reversal of 31550130422 is 22403105513.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 31550130391 and 31550130400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31550130421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 592172 + ... + 643247.

It is an arithmetic number, because the mean of its divisors is an integer number (3978978965).

Almost surely, 2^31550130422 is an apocalyptic number.

31550130422 is a deficient number, since it is larger than the sum of its proper divisors (16197617158).

31550130422 is a wasteful number, since it uses less digits than its factorization.

31550130422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235647 (or 1235534 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 31550130422 its reverse (22403105513), we get a palindrome (53953235935).

The spelling of 31550130422 in words is "thirty-one billion, five hundred fifty million, one hundred thirty thousand, four hundred twenty-two".