1214241331 has 4 divisors (see below), whose sum is σ = 1214324712. Its totient is φ = 1214157952.

The previous prime is 1214241319. The next prime is 1214241349. The reversal of 1214241331 is 1331424121.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1331424121 = 1031 ⋅1291391.

It is a cyclic number.

It is not a de Polignac number, because 1214241331 - 2¹¹ = 1214239283 is a prime.

It is a super-2 number, since 2×1214241331² = 2948764019817303122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1214241731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13486 + ... + 51091.

It is an arithmetic number, because the mean of its divisors is an integer number (303581178).

Almost surely, 2^1214241331 is an apocalyptic number.

1214241331 is a deficient number, since it is larger than the sum of its proper divisors (83381).

1214241331 is an equidigital number, since it uses as much as digits as its factorization.

1214241331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83380.

The product of its digits is 576, while the sum is 22.

The square root of 1214241331 is about 34845.9657779778. The cubic root of 1214241331 is about 1066.8458459522.

Adding to 1214241331 its reverse (1331424121), we get a palindrome (2545665452).

The spelling of 1214241331 in words is "one billion, two hundred fourteen million, two hundred forty-one thousand, three hundred thirty-one".