133011123131 has 2 divisors, whose sum is σ = 133011123132. Its totient is φ = 133011123130.

The previous prime is 133011123127. The next prime is 133011123139. The reversal of 133011123131 is 131321110331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133011123131 - 2² = 133011123127 is a prime.

It is a super-2 number, since 2×133011123131² (a number of 23 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 (133011123139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66505561565 + 66505561566.

It is an arithmetic number, because the mean of its divisors is an integer number (66505561566).

Almost surely, 2^133011123131 is an apocalyptic number.

133011123131 is a deficient number, since it is larger than the sum of its proper divisors (1).

133011123131 is an equidigital number, since it uses as much as digits as its factorization.

133011123131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 133011123131 its reverse (131321110331), we get a palindrome (264332233462).

The spelling of 133011123131 in words is "one hundred thirty-three billion, eleven million, one hundred twenty-three thousand, one hundred thirty-one".