313433142421 has 8 divisors (see below), whose sum is σ = 366539754944. Its totient is φ = 262409142240.

The previous prime is 313433142391. The next prime is 313433142433. The reversal of 313433142421 is 124241334313.

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

It is not a de Polignac number, because 313433142421 - 2⁹ = 313433141909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313433152421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 520652760 + ... + 520653361.

It is an arithmetic number, because the mean of its divisors is an integer number (45817469368).

Almost surely, 2^313433142421 is an apocalyptic number.

It is an amenable number.

313433142421 is a deficient number, since it is larger than the sum of its proper divisors (53106612523).

313433142421 is a wasteful number, since it uses less digits than its factorization.

313433142421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041306171.

The product of its digits is 20736, while the sum is 31.

Adding to 313433142421 its reverse (124241334313), we get a palindrome (437674476734).

The spelling of 313433142421 in words is "three hundred thirteen billion, four hundred thirty-three million, one hundred forty-two thousand, four hundred twenty-one".