243130413 has 16 divisors (see below), whose sum is σ = 343685376. Its totient is φ = 152355840.

The previous prime is 243130411. The next prime is 243130417. The reversal of 243130413 is 314031342.

It is not a de Polignac number, because 243130413 - 2¹ = 243130411 is a prime.

It is a super-2 number, since 2×243130413² = 118224795451101138, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 243130413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243130411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43845 + ... + 49077.

It is an arithmetic number, because the mean of its divisors is an integer number (21480336).

Almost surely, 2^243130413 is an apocalyptic number.

It is an amenable number.

243130413 is a deficient number, since it is larger than the sum of its proper divisors (100554963).

243130413 is a wasteful number, since it uses less digits than its factorization.

243130413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6164.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 243130413 is about 15592.6397059638. The cubic root of 243130413 is about 624.1367606842.

Adding to 243130413 its reverse (314031342), we get a palindrome (557161755).

The spelling of 243130413 in words is "two hundred forty-three million, one hundred thirty thousand, four hundred thirteen".