243414301313 has 4 divisors (see below), whose sum is σ = 251807897940. Its totient is φ = 235020704688.

The previous prime is 243414301303. The next prime is 243414301331. The reversal of 243414301313 is 313103414342.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 313103414342 = 2 ⋅156551707171.

It can be written as a sum of positive squares in 2 ways, for example, as 182783611024 + 60630690289 = 427532^2 + 246233^2 .

It is a cyclic number.

It is not a de Polignac number, because 243414301313 - 2¹⁴ = 243414284929 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 8393596597 = 243414301313 / (2 + 4 + 3 + 4 + 1 + 4 + 3 + 0 + 1 + 3 + 1 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243414301303) 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, 4196798270 + ... + 4196798327.

It is an arithmetic number, because the mean of its divisors is an integer number (62951974485).

Almost surely, 2^243414301313 is an apocalyptic number.

It is an amenable number.

243414301313 is a deficient number, since it is larger than the sum of its proper divisors (8393596627).

243414301313 is an equidigital number, since it uses as much as digits as its factorization.

243414301313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8393596626.

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

Adding to 243414301313 its reverse (313103414342), we get a palindrome (556517715655).

The spelling of 243414301313 in words is "two hundred forty-three billion, four hundred fourteen million, three hundred one thousand, three hundred thirteen".