1311142210 has 64 divisors (see below), whose sum is σ = 2813368320. Its totient is φ = 430479360.

The previous prime is 1311142199. The next prime is 1311142237. The reversal of 1311142210 is 122411131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 207376 + ... + 213604.

It is an arithmetic number, because the mean of its divisors is an integer number (43958880).

Almost surely, 2^1311142210 is an apocalyptic number.

1311142210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311142210 is an abundant number, since it is smaller than the sum of its proper divisors (1502226110).

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

1311142210 is a wasteful number, since it uses less digits than its factorization.

1311142210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6371.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1311142210 is about 36209.6977341706. The cubic root of 1311142210 is about 1094.5021012243.

Adding to 1311142210 its reverse (122411131), we get a palindrome (1433553341).

The spelling of 1311142210 in words is "one billion, three hundred eleven million, one hundred forty-two thousand, two hundred ten".