1131331030 has 16 divisors (see below), whose sum is σ = 2037770784. Its totient is φ = 452226880.

The previous prime is 1131331021. The next prime is 1131331037. The reversal of 1131331030 is 301331311.

It is a junction number, because it is equal to n+sod(n) for n = 1131330995 and 1131331013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131331037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22327 + ... + 52546.

It is an arithmetic number, because the mean of its divisors is an integer number (127360674).

Almost surely, 2^1131331030 is an apocalyptic number.

1131331030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131331030 is a deficient number, since it is larger than the sum of its proper divisors (906439754).

1131331030 is a wasteful number, since it uses less digits than its factorization.

1131331030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76391.

The product of its (nonzero) digits is 81, while the sum is 16.

The square root of 1131331030 is about 33635.2646786078. The cubic root of 1131331030 is about 1041.9892369606.

Adding to 1131331030 its reverse (301331311), we get a palindrome (1432662341).

The spelling of 1131331030 in words is "one billion, one hundred thirty-one million, three hundred thirty-one thousand, thirty".