103131113023 has 16 divisors (see below), whose sum is σ = 111598789120. Its totient is φ = 94972417056.

The previous prime is 103131113009. The next prime is 103131113081. The reversal of 103131113023 is 320311131301.

It is a cyclic number.

It is not a de Polignac number, because 103131113023 - 2¹³ = 103131104831 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103131213023) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 678286 + ... + 816292.

It is an arithmetic number, because the mean of its divisors is an integer number (6974924320).

Almost surely, 2^103131113023 is an apocalyptic number.

103131113023 is a deficient number, since it is larger than the sum of its proper divisors (8467676097).

103131113023 is a wasteful number, since it uses less digits than its factorization.

103131113023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139126.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 103131113023 its reverse (320311131301), we get a palindrome (423442244324).

The spelling of 103131113023 in words is "one hundred three billion, one hundred thirty-one million, one hundred thirteen thousand, twenty-three".