513311002 has 8 divisors (see below), whose sum is σ = 777904596. Its totient is φ = 254009472.

The previous prime is 513310999. The next prime is 513311009. The reversal of 513311002 is 200113315.

It can be written as a sum of positive squares in 2 ways, for example, as 502611561 + 10699441 = 22419^2 + 3271^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (513311009) 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, 1322773 + ... + 1323160.

Almost surely, 2^513311002 is an apocalyptic number.

513311002 is a deficient number, since it is larger than the sum of its proper divisors (264593594).

513311002 is a wasteful number, since it uses less digits than its factorization.

513311002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2646032.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 513311002 is about 22656.3678024524. The cubic root of 513311002 is about 800.6822315764.

Adding to 513311002 its reverse (200113315), we get a palindrome (713424317).

The spelling of 513311002 in words is "five hundred thirteen million, three hundred eleven thousand, two".