31332223130 has 48 divisors (see below), whose sum is σ = 61098429600. Its totient is φ = 11563441344.

The previous prime is 31332223127. The next prime is 31332223141. The reversal of 31332223130 is 3132223313.

It is a junction number, because it is equal to n+sod(n) for n = 31332223096 and 31332223105.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6925049 + ... + 6929571.

It is an arithmetic number, because the mean of its divisors is an integer number (1272883950).

Almost surely, 2^31332223130 is an apocalyptic number.

31332223130 is a deficient number, since it is larger than the sum of its proper divisors (29766206470).

31332223130 is a wasteful number, since it uses less digits than its factorization.

31332223130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8655 (or 8642 counting only the distinct ones).

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

Adding to 31332223130 its reverse (3132223313), we get a palindrome (34464446443).

The spelling of 31332223130 in words is "thirty-one billion, three hundred thirty-two million, two hundred twenty-three thousand, one hundred thirty".