102143583831 has 32 divisors (see below), whose sum is σ = 138401872128. Its totient is φ = 67000412160.

The previous prime is 102143583793. The next prime is 102143583847. The reversal of 102143583831 is 138385341201.

It is a happy number.

It is not a de Polignac number, because 102143583831 - 2¹⁵ = 102143551063 is a prime.

It is a super-2 number, since 2×102143583831² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102143583831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102143583851) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58668621 + ... + 58670361.

It is an arithmetic number, because the mean of its divisors is an integer number (4325058504).

Almost surely, 2^102143583831 is an apocalyptic number.

102143583831 is a deficient number, since it is larger than the sum of its proper divisors (36258288297).

102143583831 is a wasteful number, since it uses less digits than its factorization.

102143583831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2991.

The product of its (nonzero) digits is 69120, while the sum is 39.

The spelling of 102143583831 in words is "one hundred two billion, one hundred forty-three million, five hundred eighty-three thousand, eight hundred thirty-one".