1241151331 has 10 divisors (see below), whose sum is σ = 1447926532. Its totient is φ = 1063841940.

The previous prime is 1241151319. The next prime is 1241151341. The reversal of 1241151331 is 1331511421.

It is a happy number.

It is not a de Polignac number, because 1241151331 - 2⁷ = 1241151203 is a prime.

It is a super-2 number, since 2×1241151331² = 3080913252886143122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1241151341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 256065 + ... + 260866.

Almost surely, 2^1241151331 is an apocalyptic number.

1241151331 is a deficient number, since it is larger than the sum of its proper divisors (206775201).

1241151331 is an frugal number, since it uses more digits than its factorization.

1241151331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516959 (or 516938 counting only the distinct ones).

The product of its digits is 360, while the sum is 22.

The square root of 1241151331 is about 35229.9777320395. The cubic root of 1241151331 is about 1074.6694728569.

Adding to 1241151331 its reverse (1331511421), we get a palindrome (2572662752).

The spelling of 1241151331 in words is "one billion, two hundred forty-one million, one hundred fifty-one thousand, three hundred thirty-one".