31323232102 has 16 divisors (see below), whose sum is σ = 48870733824. Its totient is φ = 15040701000.

The previous prime is 31323232099. The next prime is 31323232123. The reversal of 31323232102 is 20123232313.

It is a super-2 number, since 2×31323232102² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1920174 + ... + 1936417.

It is an arithmetic number, because the mean of its divisors is an integer number (3054420864).

Almost surely, 2^31323232102 is an apocalyptic number.

31323232102 is a deficient number, since it is larger than the sum of its proper divisors (17547501722).

31323232102 is a wasteful number, since it uses less digits than its factorization.

31323232102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3856755.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 31323232102 its reverse (20123232313), we get a palindrome (51446464415).

The spelling of 31323232102 in words is "thirty-one billion, three hundred twenty-three million, two hundred thirty-two thousand, one hundred two".