31021201132 has 24 divisors (see below), whose sum is σ = 55479062016. Its totient is φ = 15170480208.

The previous prime is 31021201121. The next prime is 31021201187. The reversal of 31021201132 is 23110212013.

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, 232153 + ... + 340495.

It is an arithmetic number, because the mean of its divisors is an integer number (2311627584).

Almost surely, 2^31021201132 is an apocalyptic number.

It is an amenable number.

31021201132 is a deficient number, since it is larger than the sum of its proper divisors (24457860884).

31021201132 is a wasteful number, since it uses less digits than its factorization.

31021201132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109917 (or 109915 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 31021201132 its reverse (23110212013), we get a palindrome (54131413145).

The spelling of 31021201132 in words is "thirty-one billion, twenty-one million, two hundred one thousand, one hundred thirty-two".