244131230402 has 4 divisors (see below), whose sum is σ = 366196845606. Its totient is φ = 122065615200.

The previous prime is 244131230389. The next prime is 244131230423. The reversal of 244131230402 is 204032131442.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 204032131442 = 2 ⋅102016065721.

It can be written as a sum of positive squares in only one way, i.e., 145573534681 + 98557695721 = 381541^2 + 313939^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61032807599 + ... + 61032807602.

Almost surely, 2^244131230402 is an apocalyptic number.

244131230402 is a deficient number, since it is larger than the sum of its proper divisors (122065615204).

244131230402 is a wasteful number, since it uses less digits than its factorization.

244131230402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122065615203.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 244131230402 its reverse (204032131442), we get a palindrome (448163361844).

The spelling of 244131230402 in words is "two hundred forty-four billion, one hundred thirty-one million, two hundred thirty thousand, four hundred two".