1131131210 has 32 divisors (see below), whose sum is σ = 2351788992. Its totient is φ = 387124480.

The previous prime is 1131131207. The next prime is 1131131213. The reversal of 1131131210 is 121311311.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1131131207) and next prime (1131131213).

It is not an unprimeable number, because it can be changed into a prime (1131131213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300572 + ... + 304311.

It is an arithmetic number, because the mean of its divisors is an integer number (73493406).

Almost surely, 2^1131131210 is an apocalyptic number.

1131131210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131131210 is an abundant number, since it is smaller than the sum of its proper divisors (1220657782).

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

1131131210 is a wasteful number, since it uses less digits than its factorization.

1131131210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604918.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 1131131210 is about 33632.2941530904. The cubic root of 1131131210 is about 1041.9278866445.

Adding to 1131131210 its reverse (121311311), we get a palindrome (1252442521).

The spelling of 1131131210 in words is "one billion, one hundred thirty-one million, one hundred thirty-one thousand, two hundred ten".