103231090 has 32 divisors (see below), whose sum is σ = 189034560. Its totient is φ = 40584000.

The previous prime is 103231087. The next prime is 103231091. The reversal of 103231090 is 90132301.

It is not an unprimeable number, because it can be changed into a prime (103231091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180505 + ... + 181075.

It is an arithmetic number, because the mean of its divisors is an integer number (5907330).

Almost surely, 2^103231090 is an apocalyptic number.

103231090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103231090 is a deficient number, since it is larger than the sum of its proper divisors (85803470).

103231090 is a wasteful number, since it uses less digits than its factorization.

103231090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 103231090 is about 10160.2701735731. The cubic root of 103231090 is about 469.1051178040.

Adding to 103231090 its reverse (90132301), we get a palindrome (193363391).

The spelling of 103231090 in words is "one hundred three million, two hundred thirty-one thousand, ninety".