31230313132 has 12 divisors (see below), whose sum is σ = 54666319680. Its totient is φ = 15611364656.

The previous prime is 31230313099. The next prime is 31230313183. The reversal of 31230313132 is 23131303213.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 929407 + ... + 962422.

It is an arithmetic number, because the mean of its divisors is an integer number (4555526640).

Almost surely, 2^31230313132 is an apocalyptic number.

It is an amenable number.

31230313132 is a deficient number, since it is larger than the sum of its proper divisors (23436006548).

31230313132 is a wasteful number, since it uses less digits than its factorization.

31230313132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1895960 (or 1895958 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 31230313132 its reverse (23131303213), we get a palindrome (54361616345).

The spelling of 31230313132 in words is "thirty-one billion, two hundred thirty million, three hundred thirteen thousand, one hundred thirty-two".