103123131040 has 48 divisors (see below), whose sum is σ = 245784443688. Its totient is φ = 40884207616.

The previous prime is 103123131019. The next prime is 103123131049. The reversal of 103123131040 is 40131321301.

It can be written as a sum of positive squares in 4 ways, for example, as 61410787344 + 41712343696 = 247812^2 + 204236^2 .

It is a super-2 number, since 2×103123131040² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103123130999 and 103123131017.

It is not an unprimeable number, because it can be changed into a prime (103123131049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2833777 + ... + 2869936.

Almost surely, 2^103123131040 is an apocalyptic number.

103123131040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103123131040 is an abundant number, since it is smaller than the sum of its proper divisors (142661312648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103123131040 is a wasteful number, since it uses less digits than its factorization.

103123131040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5703841 (or 5703833 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 103123131040 its reverse (40131321301), we get a palindrome (143254452341).

The spelling of 103123131040 in words is "one hundred three billion, one hundred twenty-three million, one hundred thirty-one thousand, forty".