313540431366 has 16 divisors (see below), whose sum is σ = 628012640304. Its totient is φ = 104358180864.

The previous prime is 313540431361. The next prime is 313540431383. The reversal of 313540431366 is 663134045313.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313540431361) 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, 38819691 + ... + 38827766.

It is an arithmetic number, because the mean of its divisors is an integer number (39250790019).

Almost surely, 2^313540431366 is an apocalyptic number.

313540431366 is an abundant number, since it is smaller than the sum of its proper divisors (314472208938).

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

313540431366 is a wasteful number, since it uses less digits than its factorization.

313540431366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77648135.

The product of its (nonzero) digits is 233280, while the sum is 39.

Adding to 313540431366 its reverse (663134045313), we get a palindrome (976674476679).

The spelling of 313540431366 in words is "three hundred thirteen billion, five hundred forty million, four hundred thirty-one thousand, three hundred sixty-six".