102311443311 has 96 divisors (see below), whose sum is σ = 175401676800. Its totient is φ = 52451017920.

The previous prime is 102311443231. The next prime is 102311443379. The reversal of 102311443311 is 113344113201.

It is a happy number.

It is not a de Polignac number, because 102311443311 - 2⁷ = 102311443183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102311443211) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 40231306 + ... + 40233848.

It is an arithmetic number, because the mean of its divisors is an integer number (1827100800).

Almost surely, 2^102311443311 is an apocalyptic number.

102311443311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102311443311 is a deficient number, since it is larger than the sum of its proper divisors (73090233489).

102311443311 is a wasteful number, since it uses less digits than its factorization.

102311443311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2889 (or 2882 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 102311443311 its reverse (113344113201), we get a palindrome (215655556512).

The spelling of 102311443311 in words is "one hundred two billion, three hundred eleven million, four hundred forty-three thousand, three hundred eleven".