31101442102 has 8 divisors (see below), whose sum is σ = 46660453200. Its totient is φ = 15547957704.

The previous prime is 31101442091. The next prime is 31101442121. The reversal of 31101442102 is 20124410113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 31101442102.

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 3 ways as a sum of consecutive naturals, for example, 1367577 + ... + 1390132.

It is an arithmetic number, because the mean of its divisors is an integer number (5832556650).

Almost surely, 2^31101442102 is an apocalyptic number.

31101442102 is a deficient number, since it is larger than the sum of its proper divisors (15559011098).

31101442102 is a wasteful number, since it uses less digits than its factorization.

31101442102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2763350.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 31101442102 its reverse (20124410113), we get a palindrome (51225852215).

The spelling of 31101442102 in words is "thirty-one billion, one hundred one million, four hundred forty-two thousand, one hundred two".