313442431143 has 4 divisors (see below), whose sum is σ = 417923241528. Its totient is φ = 208961620760.

The previous prime is 313442431129. The next prime is 313442431157. The reversal of 313442431143 is 341134244313.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (313442431129) and next prime (313442431157).

It is a cyclic number.

It is not a de Polignac number, because 313442431143 - 2⁶ = 313442431079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313442431163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52240405188 + ... + 52240405193.

It is an arithmetic number, because the mean of its divisors is an integer number (104480810382).

Almost surely, 2^313442431143 is an apocalyptic number.

313442431143 is a deficient number, since it is larger than the sum of its proper divisors (104480810385).

313442431143 is a wasteful number, since it uses less digits than its factorization.

313442431143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104480810384.

The product of its digits is 41472, while the sum is 33.

Adding to 313442431143 its reverse (341134244313), we get a palindrome (654576675456).

The spelling of 313442431143 in words is "three hundred thirteen billion, four hundred forty-two million, four hundred thirty-one thousand, one hundred forty-three".