1331207411 has 2 divisors, whose sum is σ = 1331207412. Its totient is φ = 1331207410.

The previous prime is 1331207377. The next prime is 1331207419. The reversal of 1331207411 is 1147021331.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1331207411 - 2⁶ = 1331207347 is a prime.

It is a super-2 number, since 2×1331207411² = 3544226342202645842, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1331207419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665603705 + 665603706.

It is an arithmetic number, because the mean of its divisors is an integer number (665603706).

Almost surely, 2^1331207411 is an apocalyptic number.

1331207411 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331207411 is an equidigital number, since it uses as much as digits as its factorization.

1331207411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 1331207411 is about 36485.7151636089. The cubic root of 1331207411 is about 1100.0571350488.

Adding to 1331207411 its reverse (1147021331), we get a palindrome (2478228742).

The spelling of 1331207411 in words is "one billion, three hundred thirty-one million, two hundred seven thousand, four hundred eleven".