313698581997 has 8 divisors (see below), whose sum is σ = 420575631840. Its totient is φ = 207976960080.

The previous prime is 313698581993. The next prime is 313698582017. The reversal of 313698581997 is 799185896313.

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

It is not a de Polignac number, because 313698581997 - 2² = 313698581993 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313698581993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288856347 + ... + 288857432.

It is an arithmetic number, because the mean of its divisors is an integer number (52571953980).

Almost surely, 2^313698581997 is an apocalyptic number.

It is an amenable number.

313698581997 is a deficient number, since it is larger than the sum of its proper divisors (106877049843).

313698581997 is a wasteful number, since it uses less digits than its factorization.

313698581997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577713963.

The product of its digits is 88179840, while the sum is 69.

The spelling of 313698581997 in words is "three hundred thirteen billion, six hundred ninety-eight million, five hundred eighty-one thousand, nine hundred ninety-seven".