868101831 has 6 divisors (see below), whose sum is σ = 1253924880. Its totient is φ = 578734548.

The previous prime is 868101809. The next prime is 868101853. The reversal of 868101831 is 138101868.

It is an interprime number because it is at equal distance from previous prime (868101809) and next prime (868101853).

It is not a de Polignac number, because 868101831 - 2¹¹ = 868099783 is a prime.

It is a super-2 number, since 2×868101831² = 1507201577971105122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868106831) 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 in 5 ways as a sum of consecutive naturals, for example, 48227871 + ... + 48227888.

It is an arithmetic number, because the mean of its divisors is an integer number (208987480).

Almost surely, 2^868101831 is an apocalyptic number.

868101831 is a deficient number, since it is larger than the sum of its proper divisors (385823049).

868101831 is a wasteful number, since it uses less digits than its factorization.

868101831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96455765 (or 96455762 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 868101831 is about 29463.5678593072. The cubic root of 868101831 is about 953.9454862512.

The spelling of 868101831 in words is "eight hundred sixty-eight million, one hundred one thousand, eight hundred thirty-one".