1131213202 has 32 divisors (see below), whose sum is σ = 1999116288. Its totient is φ = 470026896.

The previous prime is 1131213199. The next prime is 1131213217. The reversal of 1131213202 is 2023121311.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62373 + ... + 78439.

It is an arithmetic number, because the mean of its divisors is an integer number (62472384).

Almost surely, 2^1131213202 is an apocalyptic number.

1131213202 is a deficient number, since it is larger than the sum of its proper divisors (867903086).

1131213202 is a wasteful number, since it uses less digits than its factorization.

1131213202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16230.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1131213202 is about 33633.5130784758. The cubic root of 1131213202 is about 1041.9530613506.

Adding to 1131213202 its reverse (2023121311), we get a palindrome (3154334513).

The spelling of 1131213202 in words is "one billion, one hundred thirty-one million, two hundred thirteen thousand, two hundred two".