103213142 has 8 divisors (see below), whose sum is σ = 154880856. Its totient is φ = 51586192.

The previous prime is 103213139. The next prime is 103213147. The reversal of 103213142 is 241312301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 103213142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103213147) 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 3 ways as a sum of consecutive naturals, for example, 2783 + ... + 14634.

It is an arithmetic number, because the mean of its divisors is an integer number (19360107).

Almost surely, 2^103213142 is an apocalyptic number.

103213142 is a deficient number, since it is larger than the sum of its proper divisors (51667714).

103213142 is a wasteful number, since it uses less digits than its factorization.

103213142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20382.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 103213142 is about 10159.3868909497. The cubic root of 103213142 is about 469.0779296554.

Adding to 103213142 its reverse (241312301), we get a palindrome (344525443).

The spelling of 103213142 in words is "one hundred three million, two hundred thirteen thousand, one hundred forty-two".