20312003102 has 8 divisors (see below), whose sum is σ = 30495630816. Its totient is φ = 10146792832.

The previous prime is 20312003099. The next prime is 20312003119. The reversal of 20312003102 is 20130021302.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4601603 + ... + 4606014.

It is an arithmetic number, because the mean of its divisors is an integer number (3811953852).

Almost surely, 2^20312003102 is an apocalyptic number.

20312003102 is a deficient number, since it is larger than the sum of its proper divisors (10183627714).

20312003102 is a wasteful number, since it uses less digits than its factorization.

20312003102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9208722.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20312003102 its reverse (20130021302), we get a palindrome (40442024404).

It can be divided in two parts, 2031200 and 3102, that added together give a palindrome (2034302).

The spelling of 20312003102 in words is "twenty billion, three hundred twelve million, three thousand, one hundred two".