513163232301 has 4 divisors (see below), whose sum is σ = 684217643072. Its totient is φ = 342108821532.

The previous prime is 513163232299. The next prime is 513163232303. The reversal of 513163232301 is 103232361315.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (513163232299) and next prime (513163232303).

It is not a de Polignac number, because 513163232301 - 2¹ = 513163232299 is a prime.

It is a super-2 number, since 2×513163232301² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513163232303) 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, 85527205381 + ... + 85527205386.

It is an arithmetic number, because the mean of its divisors is an integer number (171054410768).

Almost surely, 2^513163232301 is an apocalyptic number.

It is an amenable number.

513163232301 is a deficient number, since it is larger than the sum of its proper divisors (171054410771).

513163232301 is a wasteful number, since it uses less digits than its factorization.

513163232301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171054410770.

The product of its (nonzero) digits is 9720, while the sum is 30.

Adding to 513163232301 its reverse (103232361315), we get a palindrome (616395593616).

The spelling of 513163232301 in words is "five hundred thirteen billion, one hundred sixty-three million, two hundred thirty-two thousand, three hundred one".