103210442 has 4 divisors (see below), whose sum is σ = 154815666. Its totient is φ = 51605220.

The previous prime is 103210409. The next prime is 103210483. The reversal of 103210442 is 244012301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 102232321 + 978121 = 10111^2 + 989^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 103210442.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25802609 + ... + 25802612.

Almost surely, 2^103210442 is an apocalyptic number.

103210442 is a deficient number, since it is larger than the sum of its proper divisors (51605224).

103210442 is an equidigital number, since it uses as much as digits as its factorization.

103210442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51605223.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 103210442 is about 10159.2540080461. The cubic root of 103210442 is about 469.0738393447.

Adding to 103210442 its reverse (244012301), we get a palindrome (347222743).

The spelling of 103210442 in words is "one hundred three million, two hundred ten thousand, four hundred forty-two".