102312330030440 has 96 divisors (see below), whose sum is σ = 238520961787680. Its totient is φ = 39496081868544.

The previous prime is 102312330030371. The next prime is 102312330030509. The reversal of 102312330030440 is 44030033213201.

It is an interprime number because it is at equal distance from previous prime (102312330030371) and next prime (102312330030509).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74776547 + ... + 76132493.

It is an arithmetic number, because the mean of its divisors is an integer number (2484593351955).

Almost surely, 2^{102312330030440} is an apocalyptic number.

102312330030440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102312330030440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119260480893840).

102312330030440 is an abundant number, since it is smaller than the sum of its proper divisors (136208631757240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102312330030440 is a wasteful number, since it uses less digits than its factorization.

102312330030440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358259 (or 1358226 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 102312330030440 its reverse (44030033213201), we get a palindrome (146342363243641).

The spelling of 102312330030440 in words is "one hundred two trillion, three hundred twelve billion, three hundred thirty million, thirty thousand, four hundred forty".