3131222103011 has 2 divisors, whose sum is σ = 3131222103012. Its totient is φ = 3131222103010.

The previous prime is 3131222102999. The next prime is 3131222103029. The reversal of 3131222103011 is 1103012221313.

It is a happy number.

3131222103011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3131222103011 - 2¹⁴ = 3131222086627 is a prime.

It is a super-2 number, since 2×3131222103011² (a number of 26 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (3131222108011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565611051505 + 1565611051506.

It is an arithmetic number, because the mean of its divisors is an integer number (1565611051506).

Almost surely, 2^{3131222103011} is an apocalyptic number.

3131222103011 is a deficient number, since it is larger than the sum of its proper divisors (1).

3131222103011 is an equidigital number, since it uses as much as digits as its factorization.

3131222103011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 3131222103011 its reverse (1103012221313), we get a palindrome (4234234324324).

The spelling of 3131222103011 in words is "three trillion, one hundred thirty-one billion, two hundred twenty-two million, one hundred three thousand, eleven".