1131322210 has 16 divisors (see below), whose sum is σ = 2056543992. Its totient is φ = 448048000.

The previous prime is 1131322177. The next prime is 1131322253. The reversal of 1131322210 is 122231311.

It can be written as a sum of positive squares in 4 ways, for example, as 894069801 + 237252409 = 29901^2 + 15403^2 .

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, 559051 + ... + 561070.

Almost surely, 2^1131322210 is an apocalyptic number.

1131322210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131322210 is a deficient number, since it is larger than the sum of its proper divisors (925221782).

1131322210 is a wasteful number, since it uses less digits than its factorization.

1131322210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120229.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1131322210 is about 33635.1335659605. The cubic root of 1131322210 is about 1041.9865291269.

Adding to 1131322210 its reverse (122231311), we get a palindrome (1253553521).

The spelling of 1131322210 in words is "one billion, one hundred thirty-one million, three hundred twenty-two thousand, two hundred ten".