11031130 has 48 divisors (see below), whose sum is σ = 23076576. Its totient is φ = 3764480.

The previous prime is 11031121. The next prime is 11031161. The reversal of 11031130 is 3113011.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31617 + ... + 31963.

It is an arithmetic number, because the mean of its divisors is an integer number (480762).

Almost surely, 2^11031130 is an apocalyptic number.

11031130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11031130 is an abundant number, since it is smaller than the sum of its proper divisors (12045446).

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

11031130 is a wasteful number, since it uses less digits than its factorization.

11031130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399 (or 382 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 10.

The square root of 11031130 is about 3321.3144988092. The cubic root of 11031130 is about 222.6076069157.

Adding to 11031130 its reverse (3113011), we get a palindrome (14144141).

The spelling of 11031130 in words is "eleven million, thirty-one thousand, one hundred thirty".