103144013 has 8 divisors (see below), whose sum is σ = 117949440. Its totient is φ = 88356240.

The previous prime is 103144009. The next prime is 103144031. The reversal of 103144013 is 310441301.

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

It is not a de Polignac number, because 103144013 - 2² = 103144009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103143982 and 103144000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103144313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12383 + ... + 18963.

It is an arithmetic number, because the mean of its divisors is an integer number (14743680).

Almost surely, 2^103144013 is an apocalyptic number.

It is an amenable number.

103144013 is a deficient number, since it is larger than the sum of its proper divisors (14805427).

103144013 is an equidigital number, since it uses as much as digits as its factorization.

103144013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8827.

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

The square root of 103144013 is about 10155.9840980577. The cubic root of 103144013 is about 468.9731815914.

Adding to 103144013 its reverse (310441301), we get a palindrome (413585314).

The spelling of 103144013 in words is "one hundred three million, one hundred forty-four thousand, thirteen".