313043343242442 has 8 divisors (see below), whose sum is σ = 626086686484896. Its totient is φ = 104347781080812.

The previous prime is 313043343242363. The next prime is 313043343242449. The reversal of 313043343242442 is 244242343340313.

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

313043343242442 is an admirable number.

It is a super-2 number, since 2×313043343242442² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 313043343242394 and 313043343242403.

It is not an unprimeable number, because it can be changed into a prime (313043343242449) 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, 26086945270198 + ... + 26086945270209.

It is an arithmetic number, because the mean of its divisors is an integer number (78260835810612).

Almost surely, 2^{313043343242442} is an apocalyptic number.

313043343242442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

313043343242442 is a wasteful number, since it uses less digits than its factorization.

313043343242442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52173890540412.

The product of its (nonzero) digits is 1990656, while the sum is 42.

Adding to 313043343242442 its reverse (244242343340313), we get a palindrome (557285686582755).

The spelling of 313043343242442 in words is "three hundred thirteen trillion, forty-three billion, three hundred forty-three million, two hundred forty-two thousand, four hundred forty-two".