244121541331 has 2 divisors, whose sum is σ = 244121541332. Its totient is φ = 244121541330.

The previous prime is 244121541233. The next prime is 244121541353. The reversal of 244121541331 is 133145121442.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-244121541331 is a prime.

It is a super-2 number, since 2×244121541331² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 244121541293 and 244121541302.

It is not a weakly prime, because it can be changed into another prime (244121541731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122060770665 + 122060770666.

It is an arithmetic number, because the mean of its divisors is an integer number (122060770666).

Almost surely, 2^244121541331 is an apocalyptic number.

244121541331 is a deficient number, since it is larger than the sum of its proper divisors (1).

244121541331 is an equidigital number, since it uses as much as digits as its factorization.

244121541331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 31.

Adding to 244121541331 its reverse (133145121442), we get a palindrome (377266662773).

The spelling of 244121541331 in words is "two hundred forty-four billion, one hundred twenty-one million, five hundred forty-one thousand, three hundred thirty-one".