31313232010 has 16 divisors (see below), whose sum is σ = 58814418816. Its totient is φ = 11980714768.

The previous prime is 31313232001. The next prime is 31313232011. The reversal of 31313232010 is 1023231313.

It is not an unprimeable number, because it can be changed into a prime (31313232011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68072014 + ... + 68072473.

It is an arithmetic number, because the mean of its divisors is an integer number (3675901176).

Almost surely, 2^31313232010 is an apocalyptic number.

31313232010 is a deficient number, since it is larger than the sum of its proper divisors (27501186806).

31313232010 is a wasteful number, since it uses less digits than its factorization.

31313232010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136144517.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 31313232010 its reverse (1023231313), we get a palindrome (32336463323).

The spelling of 31313232010 in words is "thirty-one billion, three hundred thirteen million, two hundred thirty-two thousand, ten".