88531031 has 2 divisors, whose sum is σ = 88531032. Its totient is φ = 88531030.

The previous prime is 88530991. The next prime is 88531039. The reversal of 88531031 is 13013588.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88531031 is a prime.

It is a super-2 number, since 2×88531031² = 15675486899845922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 88530985 and 88531003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88531039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44265515 + 44265516.

It is an arithmetic number, because the mean of its divisors is an integer number (44265516).

Almost surely, 2^88531031 is an apocalyptic number.

88531031 is a deficient number, since it is larger than the sum of its proper divisors (1).

88531031 is an equidigital number, since it uses as much as digits as its factorization.

88531031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 88531031 is about 9409.0929956080. The cubic root of 88531031 is about 445.6889232197.

The spelling of 88531031 in words is "eighty-eight million, five hundred thirty-one thousand, thirty-one".