120312011332031 has 2 divisors, whose sum is σ = 120312011332032. Its totient is φ = 120312011332030.

The previous prime is 120312011332013. The next prime is 120312011332129. The reversal of 120312011332031 is 130233110213021.

Together with previous prime (120312011332013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120312011332031 - 2³⁸ = 120037133425087 is a prime.

It is a super-2 number, since 2×120312011332031² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120312011331988 and 120312011332006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120312011337031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60156005666015 + 60156005666016.

It is an arithmetic number, because the mean of its divisors is an integer number (60156005666016).

Almost surely, 2^{120312011332031} is an apocalyptic number.

120312011332031 is a deficient number, since it is larger than the sum of its proper divisors (1).

120312011332031 is an equidigital number, since it uses as much as digits as its factorization.

120312011332031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 120312011332031 its reverse (130233110213021), we get a palindrome (250545121545052).

The spelling of 120312011332031 in words is "one hundred twenty trillion, three hundred twelve billion, eleven million, three hundred thirty-two thousand, thirty-one".