12031030101157 has 2 divisors, whose sum is σ = 12031030101158. Its totient is φ = 12031030101156.

The previous prime is 12031030101133. The next prime is 12031030101263. The reversal of 12031030101157 is 75110103013021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11943839232196 + 87190868961 = 3455986^2 + 295281^2 .

It is a cyclic number.

It is not a de Polignac number, because 12031030101157 - 2⁴³ = 3234937078949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12031030101127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6015515050578 + 6015515050579.

It is an arithmetic number, because the mean of its divisors is an integer number (6015515050579).

Almost surely, 2^{12031030101157} is an apocalyptic number.

It is an amenable number.

12031030101157 is a deficient number, since it is larger than the sum of its proper divisors (1).

12031030101157 is an equidigital number, since it uses as much as digits as its factorization.

12031030101157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630, while the sum is 25.

Adding to 12031030101157 its reverse (75110103013021), we get a palindrome (87141133114178).

The spelling of 12031030101157 in words is "twelve trillion, thirty-one billion, thirty million, one hundred one thousand, one hundred fifty-seven".