1311201010 has 32 divisors (see below), whose sum is σ = 2699505792. Its totient is φ = 449191680.

The previous prime is 1311200993. The next prime is 1311201011. The reversal of 1311201010 is 101021131.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (1311201011) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 88389 + ... + 102151.

It is an arithmetic number, because the mean of its divisors is an integer number (84359556).

Almost surely, 2^1311201010 is an apocalyptic number.

1311201010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311201010 is an abundant number, since it is smaller than the sum of its proper divisors (1388304782).

1311201010 is a wasteful number, since it uses less digits than its factorization.

1311201010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15138.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 1311201010 is about 36210.5096622514. The cubic root of 1311201010 is about 1094.5184624705.

Adding to 1311201010 its reverse (101021131), we get a palindrome (1412222141).

The spelling of 1311201010 in words is "one billion, three hundred eleven million, two hundred one thousand, ten".