513342631342 has 4 divisors (see below), whose sum is σ = 770013947016. Its totient is φ = 256671315670.

The previous prime is 513342631309. The next prime is 513342631381. The reversal of 513342631342 is 243136243315.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128335657834 + ... + 128335657837.

It is an arithmetic number, because the mean of its divisors is an integer number (192503486754).

Almost surely, 2^513342631342 is an apocalyptic number.

513342631342 is a deficient number, since it is larger than the sum of its proper divisors (256671315674).

513342631342 is a wasteful number, since it uses less digits than its factorization.

513342631342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256671315673.

The product of its digits is 155520, while the sum is 37.

Adding to 513342631342 its reverse (243136243315), we get a palindrome (756478874657).

The spelling of 513342631342 in words is "five hundred thirteen billion, three hundred forty-two million, six hundred thirty-one thousand, three hundred forty-two".