1131131310 has 32 divisors (see below), whose sum is σ = 2720148480. Its totient is φ = 301031328.

The previous prime is 1131131299. The next prime is 1131131327. The reversal of 1131131310 is 131311311.

It is a super-2 number, since 2×1131131310² = 2558916080924632200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1131131310.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22390 + ... + 52569.

It is an arithmetic number, because the mean of its divisors is an integer number (85004640).

Almost surely, 2^1131131310 is an apocalyptic number.

1131131310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131131310 is an abundant number, since it is smaller than the sum of its proper divisors (1589017170).

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

1131131310 is a wasteful number, since it uses less digits than its factorization.

1131131310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75472.

The product of its (nonzero) digits is 27, while the sum is 15.

The square root of 1131131310 is about 33632.2956397567. The cubic root of 1131131310 is about 1041.9279173491.

Adding to 1131131310 its reverse (131311311), we get a palindrome (1262442621).

The spelling of 1131131310 in words is "one billion, one hundred thirty-one million, one hundred thirty-one thousand, three hundred ten".