103203290 has 16 divisors (see below), whose sum is σ = 186153120. Its totient is φ = 41195280.

The previous prime is 103203283. The next prime is 103203329. The reversal of 103203290 is 92302301.

It is an unprimeable number.

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, 5600 + ... + 15419.

It is an arithmetic number, because the mean of its divisors is an integer number (11634570).

Almost surely, 2^103203290 is an apocalyptic number.

103203290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103203290 is a deficient number, since it is larger than the sum of its proper divisors (82949830).

103203290 is a wasteful number, since it uses less digits than its factorization.

103203290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21517.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 103203290 is about 10158.9020075990. The cubic root of 103203290 is about 469.0630042214.

Adding to 103203290 its reverse (92302301), we get a palindrome (195505591).

The spelling of 103203290 in words is "one hundred three million, two hundred three thousand, two hundred ninety".