243003010131 has 24 divisors (see below), whose sum is σ = 402946718720. Its totient is φ = 138236169456.

The previous prime is 243003010123. The next prime is 243003010153. The reversal of 243003010131 is 131010300342.

It is not a de Polignac number, because 243003010131 - 2³ = 243003010123 is a prime.

It is a super-2 number, since 2×243003010131² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (243003010531) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8634361 + ... + 8662458.

Almost surely, 2^243003010131 is an apocalyptic number.

243003010131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

243003010131 is a deficient number, since it is larger than the sum of its proper divisors (159943708589).

243003010131 is a wasteful number, since it uses less digits than its factorization.

243003010131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17297055 (or 17297052 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 243003010131 its reverse (131010300342), we get a palindrome (374013310473).

The spelling of 243003010131 in words is "two hundred forty-three billion, three million, ten thousand, one hundred thirty-one".