313949136969568 has 96 divisors (see below), whose sum is σ = 666499129712640. Its totient is φ = 145082971837440.

The previous prime is 313949136969541. The next prime is 313949136969607. The reversal of 313949136969568 is 865969631949313.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (82).

It is a junction number, because it is equal to n+sod(n) for n = 313949136969491 and 313949136969500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2292484905 + ... + 2292621847.

It is an arithmetic number, because the mean of its divisors is an integer number (6942699267840).

Almost surely, 2^{313949136969568} is an apocalyptic number.

313949136969568 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

313949136969568 is an abundant number, since it is smaller than the sum of its proper divisors (352549992743072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313949136969568 is a wasteful number, since it uses less digits than its factorization.

313949136969568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228980 (or 228972 counting only the distinct ones).

The product of its digits is 6122200320, while the sum is 82.

The spelling of 313949136969568 in words is "three hundred thirteen trillion, nine hundred forty-nine billion, one hundred thirty-six million, nine hundred sixty-nine thousand, five hundred sixty-eight".