243414301331 has 2 divisors, whose sum is σ = 243414301332. Its totient is φ = 243414301330.

The previous prime is 243414301303. The next prime is 243414301349. The reversal of 243414301331 is 133103414342.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 243414301331 - 2⁶ = 243414301267 is a prime.

It is a super-2 number, since 2×243414301331² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 243414301294 and 243414301303.

It is not a weakly prime, because it can be changed into another prime (243414301381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121707150665 + 121707150666.

It is an arithmetic number, because the mean of its divisors is an integer number (121707150666).

Almost surely, 2^243414301331 is an apocalyptic number.

243414301331 is a deficient number, since it is larger than the sum of its proper divisors (1).

243414301331 is an equidigital number, since it uses as much as digits as its factorization.

243414301331 is an evil number, because the sum of its binary digits is even.

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

Adding to 243414301331 its reverse (133103414342), we get a palindrome (376517715673).

The spelling of 243414301331 in words is "two hundred forty-three billion, four hundred fourteen million, three hundred one thousand, three hundred thirty-one".