243430303003131 has 64 divisors (see below), whose sum is σ = 343614633546240. Its totient is φ = 153085117916160.

The previous prime is 243430303003127. The next prime is 243430303003159. The reversal of 243430303003131 is 131300303034342.

It is not a de Polignac number, because 243430303003131 - 2² = 243430303003127 is a prime.

It is a super-2 number, since 2×243430303003131² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (243430303004131) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7944060096 + ... + 7944090738.

It is an arithmetic number, because the mean of its divisors is an integer number (5368978649160).

Almost surely, 2^{243430303003131} is an apocalyptic number.

243430303003131 is a deficient number, since it is larger than the sum of its proper divisors (100184330543109).

243430303003131 is a wasteful number, since it uses less digits than its factorization.

243430303003131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41596.

The product of its (nonzero) digits is 23328, while the sum is 30.

Adding to 243430303003131 its reverse (131300303034342), we get a palindrome (374730606037473).

The spelling of 243430303003131 in words is "two hundred forty-three trillion, four hundred thirty billion, three hundred three million, three thousand, one hundred thirty-one".