102311224213440 has 112 divisors (see below), whose sum is σ = 354368876630400. Its totient is φ = 24802721018880.

The previous prime is 102311224213409. The next prime is 102311224213511. The reversal of 102311224213440 is 44312422113201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 102311224213398 and 102311224213407.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 4844270890 + ... + 4844292009.

Almost surely, 2^{102311224213440} is an apocalyptic number.

102311224213440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102311224213440 is an abundant number, since it is smaller than the sum of its proper divisors (252057652416960).

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

102311224213440 is a wasteful number, since it uses less digits than its factorization.

102311224213440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9688562930 (or 9688562920 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 102311224213440 its reverse (44312422113201), we get a palindrome (146623646326641).

The spelling of 102311224213440 in words is "one hundred two trillion, three hundred eleven billion, two hundred twenty-four million, two hundred thirteen thousand, four hundred forty".