31330221001132 has 24 divisors (see below), whose sum is σ = 56658428708112. Its totient is φ = 15149312472000.

The previous prime is 31330221001103. The next prime is 31330221001133. The reversal of 31330221001132 is 23110012203313.

It is not an unprimeable number, because it can be changed into a prime (31330221001133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 901727419 + ... + 901762162.

It is an arithmetic number, because the mean of its divisors is an integer number (2360767862838).

Almost surely, 2^{31330221001132} is an apocalyptic number.

It is an amenable number.

31330221001132 is a deficient number, since it is larger than the sum of its proper divisors (25328207706980).

31330221001132 is a wasteful number, since it uses less digits than its factorization.

31330221001132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1803489729 (or 1803489727 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 31330221001132 its reverse (23110012203313), we get a palindrome (54440233204445).

The spelling of 31330221001132 in words is "thirty-one trillion, three hundred thirty billion, two hundred twenty-one million, one thousand, one hundred thirty-two".