243154524131 has 2 divisors, whose sum is σ = 243154524132. Its totient is φ = 243154524130.

The previous prime is 243154524101. The next prime is 243154524181. The reversal of 243154524131 is 131425451342.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 243154524131 - 2³⁴ = 225974654947 is a prime.

It is a super-2 number, since 2×243154524131² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 243154524091 and 243154524100.

It is not a weakly prime, because it can be changed into another prime (243154524101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121577262065 + 121577262066.

It is an arithmetic number, because the mean of its divisors is an integer number (121577262066).

Almost surely, 2^243154524131 is an apocalyptic number.

243154524131 is a deficient number, since it is larger than the sum of its proper divisors (1).

243154524131 is an equidigital number, since it uses as much as digits as its factorization.

243154524131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57600, while the sum is 35.

Adding to 243154524131 its reverse (131425451342), we get a palindrome (374579975473).

The spelling of 243154524131 in words is "two hundred forty-three billion, one hundred fifty-four million, five hundred twenty-four thousand, one hundred thirty-one".