20311301103 has 8 divisors (see below), whose sum is σ = 27129332400. Its totient is φ = 13517068608.

The previous prime is 20311301099. The next prime is 20311301107. The reversal of 20311301103 is 30110311302.

It is an interprime number because it is at equal distance from previous prime (20311301099) and next prime (20311301107).

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

It is not a de Polignac number, because 20311301103 - 2² = 20311301099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20311301107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5947708 + ... + 5951121.

It is an arithmetic number, because the mean of its divisors is an integer number (3391166550).

Almost surely, 2^20311301103 is an apocalyptic number.

20311301103 is a deficient number, since it is larger than the sum of its proper divisors (6818031297).

20311301103 is a wasteful number, since it uses less digits than its factorization.

20311301103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11899401.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 20311301103 its reverse (30110311302), we get a palindrome (50421612405).

The spelling of 20311301103 in words is "twenty billion, three hundred eleven million, three hundred one thousand, one hundred three".