31313303102 has 32 divisors (see below), whose sum is σ = 50098321152. Its totient is φ = 14627620224.

The previous prime is 31313303089. The next prime is 31313303113. The reversal of 31313303102 is 20130331313.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 5356193 + ... + 5362035.

It is an arithmetic number, because the mean of its divisors is an integer number (1565572536).

Almost surely, 2^31313303102 is an apocalyptic number.

31313303102 is a deficient number, since it is larger than the sum of its proper divisors (18785018050).

31313303102 is a wasteful number, since it uses less digits than its factorization.

31313303102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6992.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 31313303102 its reverse (20130331313), we get a palindrome (51443634415).

The spelling of 31313303102 in words is "thirty-one billion, three hundred thirteen million, three hundred three thousand, one hundred two".