102311699044 has 9 divisors (see below), whose sum is σ = 179046592851. Its totient is φ = 51155529660.

The previous prime is 102311699027. The next prime is 102311699047. The reversal of 102311699044 is 440996113201.

The square root of 102311699044 is 319862.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×102311699044² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102311698988 and 102311699006.

It is not an unprimeable number, because it can be changed into a prime (102311699047) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 559759 + ... + 719689.

Almost surely, 2^102311699044 is an apocalyptic number.

102311699044 is the 319862-nd square number.

It is an amenable number.

102311699044 is a deficient number, since it is larger than the sum of its proper divisors (76734893807).

102311699044 is an frugal number, since it uses more digits than its factorization.

102311699044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319866 (or 159933 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The spelling of 102311699044 in words is "one hundred two billion, three hundred eleven million, six hundred ninety-nine thousand, forty-four".