501313143103 has 16 divisors (see below), whose sum is σ = 536194252800. Its totient is φ = 467655481440.

The previous prime is 501313143083. The next prime is 501313143139. The reversal of 501313143103 is 301341313105.

It is a cyclic number.

It is not a de Polignac number, because 501313143103 - 2⁹ = 501313142591 is a prime.

It is a super-3 number, since 3×501313143103³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501313143503) 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, 106050 + ... + 1006912.

It is an arithmetic number, because the mean of its divisors is an integer number (33512140800).

Almost surely, 2^501313143103 is an apocalyptic number.

501313143103 is a deficient number, since it is larger than the sum of its proper divisors (34881109697).

501313143103 is a wasteful number, since it uses less digits than its factorization.

501313143103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901542.

The product of its (nonzero) digits is 1620, while the sum is 25.

Adding to 501313143103 its reverse (301341313105), we get a palindrome (802654456208).

The spelling of 501313143103 in words is "five hundred one billion, three hundred thirteen million, one hundred forty-three thousand, one hundred three".