102031331100 has 36 divisors (see below), whose sum is σ = 295210652184. Its totient is φ = 27208354880.

The previous prime is 102031331093. The next prime is 102031331117. The reversal of 102031331100 is 1133130201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 102031331100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 170051919 + ... + 170052518.

It is an arithmetic number, because the mean of its divisors is an integer number (8200295894).

Almost surely, 2^102031331100 is an apocalyptic number.

102031331100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102031331100 is an abundant number, since it is smaller than the sum of its proper divisors (193179321084).

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

102031331100 is a wasteful number, since it uses less digits than its factorization.

102031331100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340104454 (or 340104447 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 102031331100 its reverse (1133130201), we get a palindrome (103164461301).

The spelling of 102031331100 in words is "one hundred two billion, thirty-one million, three hundred thirty-one thousand, one hundred".