313184617642 has 12 divisors (see below), whose sum is σ = 508693358790. Its totient is φ = 144546746448.

The previous prime is 313184617633. The next prime is 313184617649. The reversal of 313184617642 is 246716481313.

It is a Cunningham number, because it is equal to 559629²+1.

It can be written as a sum of positive squares in 3 ways, for example, as 157902122161 + 155282495481 = 397369^2 + 394059^2 .

It is a junction number, because it is equal to n+sod(n) for n = 313184617592 and 313184617601.

It is not an unprimeable number, because it can be changed into a prime (313184617649) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 463290517 + ... + 463291192.

Almost surely, 2^313184617642 is an apocalyptic number.

313184617642 is a deficient number, since it is larger than the sum of its proper divisors (195508741148).

313184617642 is a wasteful number, since it uses less digits than its factorization.

313184617642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926581737 (or 926581724 counting only the distinct ones).

The product of its digits is 580608, while the sum is 46.

The spelling of 313184617642 in words is "three hundred thirteen billion, one hundred eighty-four million, six hundred seventeen thousand, six hundred forty-two".