31120200322 has 8 divisors (see below), whose sum is σ = 47319756876. Its totient is φ = 15346948032.

The previous prime is 31120200317. The next prime is 31120200367. The reversal of 31120200322 is 22300202113.

It can be written as a sum of positive squares in 2 ways, for example, as 27595522161 + 3524678161 = 166119^2 + 59369^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 31120200296 and 31120200305.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 106575883 + ... + 106576174.

Almost surely, 2^31120200322 is an apocalyptic number.

31120200322 is a deficient number, since it is larger than the sum of its proper divisors (16199556554).

31120200322 is a wasteful number, since it uses less digits than its factorization.

31120200322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213152132.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 31120200322 its reverse (22300202113), we get a palindrome (53420402435).

The spelling of 31120200322 in words is "thirty-one billion, one hundred twenty million, two hundred thousand, three hundred twenty-two".