31222023130 has 8 divisors (see below), whose sum is σ = 56199641652. Its totient is φ = 12488809248.

The previous prime is 31222023127. The next prime is 31222023167. The reversal of 31222023130 is 3132022213.

It can be written as a sum of positive squares in 2 ways, for example, as 28069986681 + 3152036449 = 167541^2 + 56143^2 .

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 = 31222023098 and 31222023107.

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, 1561101147 + ... + 1561101166.

Almost surely, 2^31222023130 is an apocalyptic number.

31222023130 is a deficient number, since it is larger than the sum of its proper divisors (24977618522).

31222023130 is a wasteful number, since it uses less digits than its factorization.

31222023130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3122202320.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 31222023130 its reverse (3132022213), we get a palindrome (34354045343).

The spelling of 31222023130 in words is "thirty-one billion, two hundred twenty-two million, twenty-three thousand, one hundred thirty".