1131323262 has 16 divisors (see below), whose sum is σ = 2264787840. Its totient is φ = 376750872.

The previous prime is 1131323261. The next prime is 1131323273. The reversal of 1131323262 is 2623231311.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131323261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82312 + ... + 95067.

It is an arithmetic number, because the mean of its divisors is an integer number (141549240).

Almost surely, 2^1131323262 is an apocalyptic number.

1131323262 is an abundant number, since it is smaller than the sum of its proper divisors (1133464578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1131323262 is a wasteful number, since it uses less digits than its factorization.

1131323262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178447.

The product of its digits is 1296, while the sum is 24.

The square root of 1131323262 is about 33635.1492043666. The cubic root of 1131323262 is about 1041.9868521028.

Adding to 1131323262 its reverse (2623231311), we get a palindrome (3754554573).

The spelling of 1131323262 in words is "one billion, one hundred thirty-one million, three hundred twenty-three thousand, two hundred sixty-two".