103144111240 has 32 divisors (see below), whose sum is σ = 232176735000. Its totient is φ = 41239425024.

The previous prime is 103144111229. The next prime is 103144111247. The reversal of 103144111240 is 42111441301.

It can be written as a sum of positive squares in 4 ways, for example, as 19869157764 + 83274953476 = 140958^2 + 288574^2 .

It is not an unprimeable number, because it can be changed into a prime (103144111247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477465 + ... + 658984.

Almost surely, 2^103144111240 is an apocalyptic number.

103144111240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103144111240 is an abundant number, since it is smaller than the sum of its proper divisors (129032623760).

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

103144111240 is a wasteful number, since it uses less digits than its factorization.

103144111240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138729 (or 1138725 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 103144111240 its reverse (42111441301), we get a palindrome (145255552541).

The spelling of 103144111240 in words is "one hundred three billion, one hundred forty-four million, one hundred eleven thousand, two hundred forty".