513226340101 has 4 divisors (see below), whose sum is σ = 514339629804. Its totient is φ = 512113050400.

The previous prime is 513226340089. The next prime is 513226340131. The reversal of 513226340101 is 101043622315.

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 113416727076 + 399809613025 = 336774^2 + 632305^2 .

It is a cyclic number.

It is not a de Polignac number, because 513226340101 - 2⁷ = 513226339973 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 513226340101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513226340131) 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, 556644160 + ... + 556645081.

It is an arithmetic number, because the mean of its divisors is an integer number (128584907451).

Almost surely, 2^513226340101 is an apocalyptic number.

It is an amenable number.

513226340101 is a deficient number, since it is larger than the sum of its proper divisors (1113289703).

513226340101 is a wasteful number, since it uses less digits than its factorization.

513226340101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113289702.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 513226340101 its reverse (101043622315), we get a palindrome (614269962416).

The spelling of 513226340101 in words is "five hundred thirteen billion, two hundred twenty-six million, three hundred forty thousand, one hundred one".