121310133121031 has 2 divisors, whose sum is σ = 121310133121032. Its totient is φ = 121310133121030.

The previous prime is 121310133121027. The next prime is 121310133121033. The reversal of 121310133121031 is 130121331013121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121310133121031 - 2² = 121310133121027 is a prime.

It is a super-2 number, since 2×121310133121031² (a number of 29 digits) contains 22 as substring.

Together with 121310133121033, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 121310133120988 and 121310133121006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121310133121033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60655066560515 + 60655066560516.

It is an arithmetic number, because the mean of its divisors is an integer number (60655066560516).

Almost surely, 2^{121310133121031} is an apocalyptic number.

121310133121031 is a deficient number, since it is larger than the sum of its proper divisors (1).

121310133121031 is an equidigital number, since it uses as much as digits as its factorization.

121310133121031 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 121310133121031 its reverse (130121331013121), we get a palindrome (251431464134152).

The spelling of 121310133121031 in words is "one hundred twenty-one trillion, three hundred ten billion, one hundred thirty-three million, one hundred twenty-one thousand, thirty-one".