331204221102434 has 4 divisors (see below), whose sum is σ = 496806331653654. Its totient is φ = 165602110551216.

The previous prime is 331204221102397. The next prime is 331204221102449. The reversal of 331204221102434 is 434201122402133.

It is a happy number.

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., 291449872041409 + 39754349061025 = 17071903^2 + 6305105^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 331204221102434.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82801055275607 + ... + 82801055275610.

Almost surely, 2^{331204221102434} is an apocalyptic number.

331204221102434 is a deficient number, since it is larger than the sum of its proper divisors (165602110551220).

331204221102434 is a wasteful number, since it uses less digits than its factorization.

331204221102434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165602110551219.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 331204221102434 its reverse (434201122402133), we get a palindrome (765405343504567).

The spelling of 331204221102434 in words is "three hundred thirty-one trillion, two hundred four billion, two hundred twenty-one million, one hundred two thousand, four hundred thirty-four".