88690031 has 2 divisors, whose sum is σ = 88690032. Its totient is φ = 88690030.

The previous prime is 88690027. The next prime is 88690067. The reversal of 88690031 is 13009688.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 88690031 - 2² = 88690027 is a prime.

It is a super-2 number, since 2×88690031² = 15731843197561922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 88689973 and 88690000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88690331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44345015 + 44345016.

It is an arithmetic number, because the mean of its divisors is an integer number (44345016).

Almost surely, 2^88690031 is an apocalyptic number.

88690031 is a deficient number, since it is larger than the sum of its proper divisors (1).

88690031 is an equidigital number, since it uses as much as digits as its factorization.

88690031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 88690031 is about 9417.5384788171. The cubic root of 88690031 is about 445.9555798428.

The spelling of 88690031 in words is "eighty-eight million, six hundred ninety thousand, thirty-one".