304211310131242 has 4 divisors (see below), whose sum is σ = 456316965196866. Its totient is φ = 152105655065620.

The previous prime is 304211310131227. The next prime is 304211310131353. The reversal of 304211310131242 is 242131013112403.

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., 241148319160401 + 63062990970841 = 15528951^2 + 7941221^2 .

It is a super-2 number, since 2×304211310131242² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 304211310131242.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76052827532809 + ... + 76052827532812.

Almost surely, 2^{304211310131242} is an apocalyptic number.

304211310131242 is a deficient number, since it is larger than the sum of its proper divisors (152105655065624).

304211310131242 is a wasteful number, since it uses less digits than its factorization.

304211310131242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152105655065623.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 304211310131242 its reverse (242131013112403), we get a palindrome (546342323243645).

The spelling of 304211310131242 in words is "three hundred four trillion, two hundred eleven billion, three hundred ten million, one hundred thirty-one thousand, two hundred forty-two".