31310131102 has 16 divisors (see below), whose sum is σ = 47667261024. Its totient is φ = 15421420000.

The previous prime is 31310131079. The next prime is 31310131133. The reversal of 31310131102 is 20113101313.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74352 + ... + 261052.

It is an arithmetic number, because the mean of its divisors is an integer number (2979203814).

Almost surely, 2^31310131102 is an apocalyptic number.

31310131102 is a deficient number, since it is larger than the sum of its proper divisors (16357129922).

31310131102 is a wasteful number, since it uses less digits than its factorization.

31310131102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187955.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 31310131102 its reverse (20113101313), we get a palindrome (51423232415).

The spelling of 31310131102 in words is "thirty-one billion, three hundred ten million, one hundred thirty-one thousand, one hundred two".