1102031100 has 54 divisors (see below), whose sum is σ = 3454258080. Its totient is φ = 293874720.

The previous prime is 1102031057. The next prime is 1102031107. The reversal of 1102031100 is 11302011.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102031107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 611340 + ... + 613139.

Almost surely, 2^1102031100 is an apocalyptic number.

1102031100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1102031100 is an abundant number, since it is smaller than the sum of its proper divisors (2352226980).

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

1102031100 is a wasteful number, since it uses less digits than its factorization.

1102031100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224499 (or 1224489 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 1102031100 is about 33196.8537665846. The cubic root of 1102031100 is about 1032.9150775775.

Adding to 1102031100 its reverse (11302011), we get a palindrome (1113333111).

The spelling of 1102031100 in words is "one billion, one hundred two million, thirty-one thousand, one hundred".