243130003451 has 2 divisors, whose sum is σ = 243130003452. Its totient is φ = 243130003450.

The previous prime is 243130003433. The next prime is 243130003483. The reversal of 243130003451 is 154300031342.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 243130003451 - 2²⁶ = 243062894587 is a prime.

It is a super-2 number, since 2×243130003451² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 243130003451.

It is not a weakly prime, because it can be changed into another prime (243130033451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121565001725 + 121565001726.

It is an arithmetic number, because the mean of its divisors is an integer number (121565001726).

Almost surely, 2^243130003451 is an apocalyptic number.

243130003451 is a deficient number, since it is larger than the sum of its proper divisors (1).

243130003451 is an equidigital number, since it uses as much as digits as its factorization.

243130003451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 243130003451 its reverse (154300031342), we get a palindrome (397430034793).

The spelling of 243130003451 in words is "two hundred forty-three billion, one hundred thirty million, three thousand, four hundred fifty-one".