102031100 has 36 divisors (see below), whose sum is σ = 222256608. Its totient is φ = 40656000.

The previous prime is 102031091. The next prime is 102031129. The reversal of 102031100 is 1130201.

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, 26285 + ... + 29915.

Almost surely, 2^102031100 is an apocalyptic number.

102031100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102031100 is an abundant number, since it is smaller than the sum of its proper divisors (120225508).

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

102031100 is a wasteful number, since it uses less digits than its factorization.

102031100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3926 (or 3919 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 102031100 is about 10101.0445004465. The cubic root of 102031100 is about 467.2803547498.

Adding to 102031100 its reverse (1130201), we get a palindrome (103161301).

The spelling of 102031100 in words is "one hundred two million, thirty-one thousand, one hundred".