1331031113411 has 2 divisors, whose sum is σ = 1331031113412. Its totient is φ = 1331031113410.

The previous prime is 1331031113387. The next prime is 1331031113473. The reversal of 1331031113411 is 1143111301331.

It is a weak prime.

It is an emirp because it is prime and its reverse (1143111301331) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1331031113411 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1331031113491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665515556705 + 665515556706.

It is an arithmetic number, because the mean of its divisors is an integer number (665515556706).

Almost surely, 2^{1331031113411} is an apocalyptic number.

1331031113411 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331031113411 is an equidigital number, since it uses as much as digits as its factorization.

1331031113411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 1331031113411 its reverse (1143111301331), we get a palindrome (2474142414742).

The spelling of 1331031113411 in words is "one trillion, three hundred thirty-one billion, thirty-one million, one hundred thirteen thousand, four hundred eleven".