1211313010 has 16 divisors (see below), whose sum is σ = 2231070336. Its totient is φ = 473257008.

The previous prime is 1211312989. The next prime is 1211313049. The reversal of 1211313010 is 103131121.

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, 1408074 + ... + 1408933.

It is an arithmetic number, because the mean of its divisors is an integer number (139441896).

Almost surely, 2^1211313010 is an apocalyptic number.

1211313010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211313010 is a deficient number, since it is larger than the sum of its proper divisors (1019757326).

1211313010 is a wasteful number, since it uses less digits than its factorization.

1211313010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2817057.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1211313010 is about 34803.9223364264. The cubic root of 1211313010 is about 1065.9875372105.

Adding to 1211313010 its reverse (103131121), we get a palindrome (1314444131).

It can be divided in two parts, 121 and 1313010, that added together give a palindrome (1313131).

The spelling of 1211313010 in words is "one billion, two hundred eleven million, three hundred thirteen thousand, ten".