313121040430043 has 8 divisors (see below), whose sum is σ = 331541114849568. Its totient is φ = 294701098198144.

The previous prime is 313121040430039. The next prime is 313121040430091. The reversal of 313121040430043 is 340034040121313.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 313121040430043 - 2² = 313121040430039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313121040429988 and 313121040430015.

It is not an unprimeable number, because it can be changed into a prime (313121040430343) 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, 28149296 + ... + 37664637.

It is an arithmetic number, because the mean of its divisors is an integer number (41442639356196).

Almost surely, 2^{313121040430043} is an apocalyptic number.

313121040430043 is a deficient number, since it is larger than the sum of its proper divisors (18420074419525).

313121040430043 is a wasteful number, since it uses less digits than its factorization.

313121040430043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66093813.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 313121040430043 its reverse (340034040121313), we get a palindrome (653155080551356).

The spelling of 313121040430043 in words is "three hundred thirteen trillion, one hundred twenty-one billion, forty million, four hundred thirty thousand, forty-three".