130434303431218 has 4 divisors (see below), whose sum is σ = 195651455146830. Its totient is φ = 65217151715608.

The previous prime is 130434303431203. The next prime is 130434303431287. The reversal of 130434303431218 is 812134303434031.

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

It can be written as a sum of positive squares in only one way, i.e., 75458114075569 + 54976189355649 = 8686663^2 + 7414593^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32608575857803 + ... + 32608575857806.

Almost surely, 2^{130434303431218} is an apocalyptic number.

130434303431218 is a deficient number, since it is larger than the sum of its proper divisors (65217151715612).

130434303431218 is an equidigital number, since it uses as much as digits as its factorization.

130434303431218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65217151715611.

The product of its (nonzero) digits is 248832, while the sum is 40.

Adding to 130434303431218 its reverse (812134303434031), we get a palindrome (942568606865249).

The spelling of 130434303431218 in words is "one hundred thirty trillion, four hundred thirty-four billion, three hundred three million, four hundred thirty-one thousand, two hundred eighteen".