103143315 has 16 divisors (see below), whose sum is σ = 180032256. Its totient is φ = 50008800.

The previous prime is 103143311. The next prime is 103143317. The reversal of 103143315 is 513341301.

It is not a de Polignac number, because 103143315 - 2² = 103143311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103143291 and 103143300.

It is not an unprimeable number, because it can be changed into a prime (103143311) 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, 312391 + ... + 312720.

It is an arithmetic number, because the mean of its divisors is an integer number (11252016).

Almost surely, 2^103143315 is an apocalyptic number.

103143315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

103143315 is a deficient number, since it is larger than the sum of its proper divisors (76888941).

103143315 is a wasteful number, since it uses less digits than its factorization.

103143315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625130.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 103143315 is about 10155.9497340229. The cubic root of 103143315 is about 468.9721237047.

Adding to 103143315 its reverse (513341301), we get a palindrome (616484616).

The spelling of 103143315 in words is "one hundred three million, one hundred forty-three thousand, three hundred fifteen".