120231543510031 has 2 divisors, whose sum is σ = 120231543510032. Its totient is φ = 120231543510030.

The previous prime is 120231543510019. The next prime is 120231543510037. The reversal of 120231543510031 is 130015345132021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120231543510031 - 2⁵ = 120231543509999 is a prime.

It is a super-2 number, since 2×120231543510031² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120231543509975 and 120231543510002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120231543510037) 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, 60115771755015 + 60115771755016.

It is an arithmetic number, because the mean of its divisors is an integer number (60115771755016).

Almost surely, 2^{120231543510031} is an apocalyptic number.

120231543510031 is a deficient number, since it is larger than the sum of its proper divisors (1).

120231543510031 is an equidigital number, since it uses as much as digits as its factorization.

120231543510031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 120231543510031 its reverse (130015345132021), we get a palindrome (250246888642052).

The spelling of 120231543510031 in words is "one hundred twenty trillion, two hundred thirty-one billion, five hundred forty-three million, five hundred ten thousand, thirty-one".