1131030234 has 12 divisors (see below), whose sum is σ = 2450565546. Its totient is φ = 377010072.

The previous prime is 1131030227. The next prime is 1131030239. The reversal of 1131030234 is 4320301311.

It can be written as a sum of positive squares in only one way, i.e., 1069486209 + 61544025 = 32703^2 + 7845^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 62835013 = 1131030234 / (1 + 1 + 3 + 1 + 0 + 3 + 0 + 2 + 3 + 4).

It is not an unprimeable number, because it can be changed into a prime (1131030239) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31417489 + ... + 31417524.

Almost surely, 2^1131030234 is an apocalyptic number.

1131030234 is an abundant number, since it is smaller than the sum of its proper divisors (1319535312).

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

1131030234 is a wasteful number, since it uses less digits than its factorization.

1131030234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62835021 (or 62835018 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1131030234 is about 33630.7929433726. The cubic root of 1131030234 is about 1041.8968814466.

Adding to 1131030234 its reverse (4320301311), we get a palindrome (5451331545).

The spelling of 1131030234 in words is "one billion, one hundred thirty-one million, thirty thousand, two hundred thirty-four".