103131100023 has 32 divisors (see below), whose sum is σ = 161245593600. Its totient is φ = 58606359840.

The previous prime is 103131100021. The next prime is 103131100043. The reversal of 103131100023 is 320001131301.

It is not a de Polignac number, because 103131100023 - 2¹ = 103131100021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103131099975 and 103131100011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103131100021) 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 31 ways as a sum of consecutive naturals, for example, 90615 + ... + 463112.

It is an arithmetic number, because the mean of its divisors is an integer number (5038924800).

Almost surely, 2^103131100023 is an apocalyptic number.

103131100023 is a deficient number, since it is larger than the sum of its proper divisors (58114493577).

103131100023 is an equidigital number, since it uses as much as digits as its factorization.

103131100023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553932 (or 553918 counting only the distinct ones).

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

Adding to 103131100023 its reverse (320001131301), we get a palindrome (423132231324).

The spelling of 103131100023 in words is "one hundred three billion, one hundred thirty-one million, one hundred thousand, twenty-three".