243420431302 has 4 divisors (see below), whose sum is σ = 365130646956. Its totient is φ = 121710215650.

The previous prime is 243420431257. The next prime is 243420431321. The reversal of 243420431302 is 203134024342.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60855107824 + ... + 60855107827.

It is an arithmetic number, because the mean of its divisors is an integer number (91282661739).

Almost surely, 2^243420431302 is an apocalyptic number.

243420431302 is a deficient number, since it is larger than the sum of its proper divisors (121710215654).

243420431302 is a wasteful number, since it uses less digits than its factorization.

243420431302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121710215653.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 243420431302 its reverse (203134024342), we get a palindrome (446554455644).

The spelling of 243420431302 in words is "two hundred forty-three billion, four hundred twenty million, four hundred thirty-one thousand, three hundred two".