313377562643 has 4 divisors (see below), whose sum is σ = 313799336688. Its totient is φ = 312955788600.

The previous prime is 313377562639. The next prime is 313377562711. The reversal of 313377562643 is 346265773313.

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 313377562643 - 2² = 313377562639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313377562591 and 313377562600.

It is not an unprimeable number, because it can be changed into a prime (313377562633) 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, 210885908 + ... + 210887393.

It is an arithmetic number, because the mean of its divisors is an integer number (78449834172).

Almost surely, 2^313377562643 is an apocalyptic number.

313377562643 is a deficient number, since it is larger than the sum of its proper divisors (421774045).

313377562643 is an equidigital number, since it uses as much as digits as its factorization.

313377562643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421774044.

The product of its digits is 5715360, while the sum is 50.

The spelling of 313377562643 in words is "three hundred thirteen billion, three hundred seventy-seven million, five hundred sixty-two thousand, six hundred forty-three".