1131202233 has 64 divisors (see below), whose sum is σ = 1957294080. Its totient is φ = 632375424.

The previous prime is 1131202229. The next prime is 1131202243. The reversal of 1131202233 is 3322021311.

1131202233 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1131202233 - 2² = 1131202229 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1131202243) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2248660 + ... + 2249162.

It is an arithmetic number, because the mean of its divisors is an integer number (30582720).

Almost surely, 2^1131202233 is an apocalyptic number.

It is an amenable number.

1131202233 is a deficient number, since it is larger than the sum of its proper divisors (826091847).

1131202233 is a wasteful number, since it uses less digits than its factorization.

1131202233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755 (or 749 counting only the distinct ones).

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

The square root of 1131202233 is about 33633.3500115585. The cubic root of 1131202233 is about 1041.9496935151.

Adding to 1131202233 its reverse (3322021311), we get a palindrome (4453223544).

The spelling of 1131202233 in words is "one billion, one hundred thirty-one million, two hundred two thousand, two hundred thirty-three".