103312144 has 40 divisors (see below), whose sum is σ = 220596992. Its totient is φ = 46569600.

The previous prime is 103312133. The next prime is 103312151. The reversal of 103312144 is 441213301.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3169 + ... + 14719.

Almost surely, 2^103312144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103312144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110298496).

103312144 is an abundant number, since it is smaller than the sum of its proper divisors (117284848).

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

103312144 is a wasteful number, since it uses less digits than its factorization.

103312144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11615 (or 11609 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 103312144 is about 10164.2581627977. The cubic root of 103312144 is about 469.2278615080.

Adding to 103312144 its reverse (441213301), we get a palindrome (544525445).

The spelling of 103312144 in words is "one hundred three million, three hundred twelve thousand, one hundred forty-four".