312613513336 has 8 divisors (see below), whose sum is σ = 586150337520. Its totient is φ = 156306756664.

The previous prime is 312613513321. The next prime is 312613513337. The reversal of 312613513336 is 633315316213.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 312613513295 and 312613513304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312613513337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19538344576 + ... + 19538344591.

It is an arithmetic number, because the mean of its divisors is an integer number (73268792190).

Almost surely, 2^312613513336 is an apocalyptic number.

It is an amenable number.

312613513336 is a deficient number, since it is larger than the sum of its proper divisors (273536824184).

312613513336 is a wasteful number, since it uses less digits than its factorization.

312613513336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39076689173 (or 39076689169 counting only the distinct ones).

The product of its digits is 87480, while the sum is 37.

Adding to 312613513336 its reverse (633315316213), we get a palindrome (945928829549).

The spelling of 312613513336 in words is "three hundred twelve billion, six hundred thirteen million, five hundred thirteen thousand, three hundred thirty-six".