511016103313 has 4 divisors (see below), whose sum is σ = 515538369828. Its totient is φ = 506493836800.

The previous prime is 511016103271. The next prime is 511016103341. The reversal of 511016103313 is 313301610115.

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

It can be written as a sum of positive squares in 2 ways, for example, as 15918111889 + 495097991424 = 126167^2 + 703632^2 .

It is a cyclic number.

It is not a de Polignac number, because 511016103313 - 2²¹ = 511014006161 is a prime.

It is a super-3 number, since 3×511016103313³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (511016101313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2261133088 + ... + 2261133313.

It is an arithmetic number, because the mean of its divisors is an integer number (128884592457).

Almost surely, 2^511016103313 is an apocalyptic number.

It is an amenable number.

511016103313 is a deficient number, since it is larger than the sum of its proper divisors (4522266515).

511016103313 is a wasteful number, since it uses less digits than its factorization.

511016103313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4522266514.

The product of its (nonzero) digits is 810, while the sum is 25.

Adding to 511016103313 its reverse (313301610115), we get a palindrome (824317713428).

The spelling of 511016103313 in words is "five hundred eleven billion, sixteen million, one hundred three thousand, three hundred thirteen".