1131020332 has 18 divisors (see below), whose sum is σ = 2143251348. Its totient is φ = 522009072.

The previous prime is 1131020243. The next prime is 1131020339. The reversal of 1131020332 is 2330201311.

It is not an unprimeable number, because it can be changed into a prime (1131020339) 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, 835878 + ... + 837229.

Almost surely, 2^1131020332 is an apocalyptic number.

It is an amenable number.

1131020332 is a deficient number, since it is larger than the sum of its proper divisors (1012231016).

1131020332 is a wasteful number, since it uses less digits than its factorization.

1131020332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1673137 (or 1673122 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1131020332 is about 33630.6457267772. The cubic root of 1131020332 is about 1041.8938408874.

Adding to 1131020332 its reverse (2330201311), we get a palindrome (3461221643).

The spelling of 1131020332 in words is "one billion, one hundred thirty-one million, twenty thousand, three hundred thirty-two".