1131045330 has 16 divisors (see below), whose sum is σ = 2714508864. Its totient is φ = 301612080.

The previous prime is 1131045313. The next prime is 1131045361. The reversal of 1131045330 is 335401311.

It is a junction number, because it is equal to n+sod(n) for n = 1131045297 and 1131045306.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18850726 + ... + 18850785.

It is an arithmetic number, because the mean of its divisors is an integer number (169656804).

Almost surely, 2^1131045330 is an apocalyptic number.

1131045330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131045330 is an abundant number, since it is smaller than the sum of its proper divisors (1583463534).

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

1131045330 is a wasteful number, since it uses less digits than its factorization.

1131045330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37701521.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 1131045330 is about 33631.0173797939. The cubic root of 1131045330 is about 1041.9015168680.

Adding to 1131045330 its reverse (335401311), we get a palindrome (1466446641).

The spelling of 1131045330 in words is "one billion, one hundred thirty-one million, forty-five thousand, three hundred thirty".