513229802311 has 4 divisors (see below), whose sum is σ = 513235212552. Its totient is φ = 513224392072.

The previous prime is 513229802299. The next prime is 513229802329. The reversal of 513229802311 is 113208922315.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 513229802311 - 2¹⁵ = 513229769543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513229800311) 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, 2560240 + ... + 2753413.

It is an arithmetic number, because the mean of its divisors is an integer number (128308803138).

Almost surely, 2^513229802311 is an apocalyptic number.

513229802311 is a deficient number, since it is larger than the sum of its proper divisors (5410241).

513229802311 is an equidigital number, since it uses as much as digits as its factorization.

513229802311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5410240.

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 513229802311 in words is "five hundred thirteen billion, two hundred twenty-nine million, eight hundred two thousand, three hundred eleven".