1131131302 has 16 divisors (see below), whose sum is σ = 1947555360. Its totient is φ = 482652288.

The previous prime is 1131131299. The next prime is 1131131327. The reversal of 1131131302 is 2031311311.

It is a congruent number.

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, 173203 + ... + 179614.

It is an arithmetic number, because the mean of its divisors is an integer number (121722210).

Almost surely, 2^1131131302 is an apocalyptic number.

1131131302 is a deficient number, since it is larger than the sum of its proper divisors (816424058).

1131131302 is a wasteful number, since it uses less digits than its factorization.

1131131302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353055.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1131131302 is about 33632.2955208234. The cubic root of 1131131302 is about 1041.9279148928.

Adding to 1131131302 its reverse (2031311311), we get a palindrome (3162442613).

Subtracting 1131131302 from its reverse (2031311311), we obtain a square (900180009 = 30003²).

The spelling of 1131131302 in words is "one billion, one hundred thirty-one million, one hundred thirty-one thousand, three hundred two".