513214301031 has 4 divisors (see below), whose sum is σ = 684285734712. Its totient is φ = 342142867352.

The previous prime is 513214301021. The next prime is 513214301071. The reversal of 513214301031 is 130103412315.

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 513214301031 - 2²⁵ = 513180746599 is a prime.

It is a super-2 number, since 2×513214301031² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 513214300992 and 513214301010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513214301021) 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, 85535716836 + ... + 85535716841.

It is an arithmetic number, because the mean of its divisors is an integer number (171071433678).

Almost surely, 2^513214301031 is an apocalyptic number.

513214301031 is a deficient number, since it is larger than the sum of its proper divisors (171071433681).

513214301031 is a wasteful number, since it uses less digits than its factorization.

513214301031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171071433680.

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 513214301031 its reverse (130103412315), we get a palindrome (643317713346).

The spelling of 513214301031 in words is "five hundred thirteen billion, two hundred fourteen million, three hundred one thousand, thirty-one".