1131342210 has 48 divisors (see below), whose sum is σ = 3036384000. Its totient is φ = 291958560.

The previous prime is 1131342209. The next prime is 1131342257. The reversal of 1131342210 is 122431311.

1131342210 is a `hidden beast` number, since 113 + 1 + 342 + 210 = 666.

It is a super-2 number, since 2×1131342210² = 2559870392255368200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 199960 + ... + 205539.

It is an arithmetic number, because the mean of its divisors is an integer number (63258000).

Almost surely, 2^1131342210 is an apocalyptic number.

1131342210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131342210 is an abundant number, since it is smaller than the sum of its proper divisors (1905041790).

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

1131342210 is a wasteful number, since it uses less digits than its factorization.

1131342210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405543 (or 405540 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1131342210 is about 33635.4308728162. The cubic root of 1131342210 is about 1041.9926693192.

Adding to 1131342210 its reverse (122431311), we get a palindrome (1253773521).

The spelling of 1131342210 in words is "one billion, one hundred thirty-one million, three hundred forty-two thousand, two hundred ten".