1131535210 has 16 divisors (see below), whose sum is σ = 2193437736. Its totient is φ = 417797568.

The previous prime is 1131535201. The next prime is 1131535243. The reversal of 1131535210 is 125351311.

It can be written as a sum of positive squares in 4 ways, for example, as 338155321 + 793379889 = 18389^2 + 28167^2 .

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 7 ways as a sum of consecutive naturals, for example, 4351929 + ... + 4352188.

Almost surely, 2^1131535210 is an apocalyptic number.

1131535210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131535210 is a deficient number, since it is larger than the sum of its proper divisors (1061902526).

1131535210 is a wasteful number, since it uses less digits than its factorization.

1131535210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8704137.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 1131535210 is about 33638.2997489469. The cubic root of 1131535210 is about 1042.0519184567.

Adding to 1131535210 its reverse (125351311), we get a palindrome (1256886521).

The spelling of 1131535210 in words is "one billion, one hundred thirty-one million, five hundred thirty-five thousand, two hundred ten".