20134231102 has 16 divisors (see below), whose sum is σ = 30449571840. Its totient is φ = 9984668632.

The previous prime is 20134231079. The next prime is 20134231111. The reversal of 20134231102 is 20113243102.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20134231102.

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 7 ways as a sum of consecutive naturals, for example, 63693 + ... + 210535.

It is an arithmetic number, because the mean of its divisors is an integer number (1903098240).

Almost surely, 2^20134231102 is an apocalyptic number.

20134231102 is a deficient number, since it is larger than the sum of its proper divisors (10315340738).

20134231102 is a wasteful number, since it uses less digits than its factorization.

20134231102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147407.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20134231102 its reverse (20113243102), we get a palindrome (40247474204).

The spelling of 20134231102 in words is "twenty billion, one hundred thirty-four million, two hundred thirty-one thousand, one hundred two".