1131233130 has 48 divisors (see below), whose sum is σ = 3003796224. Its totient is φ = 295242720.

The previous prime is 1131233119. The next prime is 1131233141. The reversal of 1131233130 is 313321311.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1131233119) and next prime (1131233141).

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 129486 + ... + 137945.

It is an arithmetic number, because the mean of its divisors is an integer number (62579088).

Almost surely, 2^1131233130 is an apocalyptic number.

1131233130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131233130 is an abundant number, since it is smaller than the sum of its proper divisors (1872563094).

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

1131233130 is a wasteful number, since it uses less digits than its factorization.

1131233130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267491 (or 267488 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 1131233130 is about 33633.8093293043. The cubic root of 1131233130 is about 1041.9591798314.

Adding to 1131233130 its reverse (313321311), we get a palindrome (1444554441).

The spelling of 1131233130 in words is "one billion, one hundred thirty-one million, two hundred thirty-three thousand, one hundred thirty".