10031869 has 2 divisors, whose sum is σ = 10031870. Its totient is φ = 10031868.

The previous prime is 10031863. The next prime is 10031897. The reversal of 10031869 is 96813001.

It is a happy number.

It is an a-pointer prime, because the next prime (10031897) can be obtained adding 10031869 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6827769 + 3204100 = 2613^2 + 1790^2 .

It is a cyclic number.

It is not a de Polignac number, because 10031869 - 2⁷ = 10031741 is a prime.

It is a super-2 number, since 2×10031869² = 201276791266322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10031863) 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, 5015934 + 5015935.

It is an arithmetic number, because the mean of its divisors is an integer number (5015935).

Almost surely, 2^10031869 is an apocalyptic number.

It is an amenable number.

10031869 is a deficient number, since it is larger than the sum of its proper divisors (1).

10031869 is an equidigital number, since it uses as much as digits as its factorization.

10031869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 10031869 is about 3167.3125832478. The cubic root of 10031869 is about 215.6720919059.

The spelling of 10031869 in words is "ten million, thirty-one thousand, eight hundred sixty-nine".