31232030021330 has 16 divisors (see below), whose sum is σ = 56218631059224. Its totient is φ = 12492594892800.

The previous prime is 31232030021323. The next prime is 31232030021363. The reversal of 31232030021330 is 3312003023213.

It can be written as a sum of positive squares in 4 ways, for example, as 26635890034009 + 4596139987321 = 5160997^2 + 2143861^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31232030021296 and 31232030021305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26534657 + ... + 27686676.

Almost surely, 2^{31232030021330} is an apocalyptic number.

31232030021330 is a deficient number, since it is larger than the sum of its proper divisors (24986601037894).

31232030021330 is a wasteful number, since it uses less digits than its factorization.

31232030021330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54278941.

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

Adding to 31232030021330 its reverse (3312003023213), we get a palindrome (34544033044543).

The spelling of 31232030021330 in words is "thirty-one trillion, two hundred thirty-two billion, thirty million, twenty-one thousand, three hundred thirty".