1131442202 has 24 divisors (see below), whose sum is σ = 1867320000. Its totient is φ = 513784040.

The previous prime is 1131442189. The next prime is 1131442211. The reversal of 1131442202 is 2022441311.

It is a super-2 number, since 2×1131442202² = 2560322912933217608, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 361199 + ... + 364317.

It is an arithmetic number, because the mean of its divisors is an integer number (77805000).

Almost surely, 2^1131442202 is an apocalyptic number.

1131442202 is a deficient number, since it is larger than the sum of its proper divisors (735877798).

1131442202 is a wasteful number, since it uses less digits than its factorization.

1131442202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4642 (or 4631 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1131442202 is about 33636.9172487611. The cubic root of 1131442202 is about 1042.0233667394.

Adding to 1131442202 its reverse (2022441311), we get a palindrome (3153883513).

The spelling of 1131442202 in words is "one billion, one hundred thirty-one million, four hundred forty-two thousand, two hundred two".