313431100043 has 4 divisors (see below), whose sum is σ = 324239069040. Its totient is φ = 302623131048.

The previous prime is 313431100039. The next prime is 313431100051. The reversal of 313431100043 is 340001134313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340001134313 = 41 ⋅8292710593.

It is a cyclic number.

It is not a de Polignac number, because 313431100043 - 2² = 313431100039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313431099991 and 313431100018.

It is not an unprimeable number, because it can be changed into a prime (313431100033) 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, 5403984455 + ... + 5403984512.

It is an arithmetic number, because the mean of its divisors is an integer number (81059767260).

Almost surely, 2^313431100043 is an apocalyptic number.

313431100043 is a deficient number, since it is larger than the sum of its proper divisors (10807968997).

313431100043 is a wasteful number, since it uses less digits than its factorization.

313431100043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10807968996.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 313431100043 its reverse (340001134313), we get a palindrome (653432234356).

The spelling of 313431100043 in words is "three hundred thirteen billion, four hundred thirty-one million, one hundred thousand, forty-three".