31322233130 has 16 divisors (see below), whose sum is σ = 56382034824. Its totient is φ = 12528445440.

The previous prime is 31322233097. The next prime is 31322233141. The reversal of 31322233130 is 3133222313.

It can be written as a sum of positive squares in 4 ways, for example, as 21725875609 + 9596357521 = 147397^2 + 97961^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31322233096 and 31322233105.

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 7 ways as a sum of consecutive naturals, for example, 520274 + ... + 577346.

Almost surely, 2^31322233130 is an apocalyptic number.

31322233130 is a deficient number, since it is larger than the sum of its proper divisors (25059801694).

31322233130 is a wasteful number, since it uses less digits than its factorization.

31322233130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111961.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 31322233130 its reverse (3133222313), we get a palindrome (34455455443).

The spelling of 31322233130 in words is "thirty-one billion, three hundred twenty-two million, two hundred thirty-three thousand, one hundred thirty".