128088031 has 2 divisors, whose sum is σ = 128088032. Its totient is φ = 128088030.

The previous prime is 128087957. The next prime is 128088049. The reversal of 128088031 is 130880821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 128088031 - 2⁷ = 128087903 is a prime.

It is a super-2 number, since 2×128088031² = 32813087370913922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 128087984 and 128088002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128088071) 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, 64044015 + 64044016.

It is an arithmetic number, because the mean of its divisors is an integer number (64044016).

Almost surely, 2^128088031 is an apocalyptic number.

128088031 is a deficient number, since it is larger than the sum of its proper divisors (1).

128088031 is an equidigital number, since it uses as much as digits as its factorization.

128088031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 31.

The square root of 128088031 is about 11317.5982876227. The cubic root of 128088031 is about 504.0839269302.

The spelling of 128088031 in words is "one hundred twenty-eight million, eighty-eight thousand, thirty-one".