103231550 has 24 divisors (see below), whose sum is σ = 198207552. Its totient is φ = 39960000.

The previous prime is 103231543. The next prime is 103231553. The reversal of 103231550 is 55132301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103231553) 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 11 ways as a sum of consecutive naturals, for example, 31751 + ... + 34850.

It is an arithmetic number, because the mean of its divisors is an integer number (8258648).

Almost surely, 2^103231550 is an apocalyptic number.

103231550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103231550 is a deficient number, since it is larger than the sum of its proper divisors (94976002).

103231550 is a wasteful number, since it uses less digits than its factorization.

103231550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66644 (or 66639 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 103231550 is about 10160.2928107412. The cubic root of 103231550 is about 469.1058145838.

Adding to 103231550 its reverse (55132301), we get a palindrome (158363851).

The spelling of 103231550 in words is "one hundred three million, two hundred thirty-one thousand, five hundred fifty".