16231271103 has 40 divisors (see below), whose sum is σ = 24838121088. Its totient is φ = 10557476496.

The previous prime is 16231271099. The next prime is 16231271131. The reversal of 16231271103 is 30117213261.

16231271103 is a `hidden beast` number, since 1 + 623 + 1 + 27 + 1 + 10 + 3 = 666.

It is not a de Polignac number, because 16231271103 - 2² = 16231271099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16231271153) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4048726 + ... + 4052732.

Almost surely, 2^16231271103 is an apocalyptic number.

16231271103 is a deficient number, since it is larger than the sum of its proper divisors (8606849985).

16231271103 is a wasteful number, since it uses less digits than its factorization.

16231271103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5225 (or 5216 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

Adding to 16231271103 its reverse (30117213261), we get a palindrome (46348484364).

The spelling of 16231271103 in words is "sixteen billion, two hundred thirty-one million, two hundred seventy-one thousand, one hundred three".