1310011211 has 16 divisors (see below), whose sum is σ = 1427313888. Its totient is φ = 1197504000.

The previous prime is 1310011201. The next prime is 1310011243. The reversal of 1310011211 is 1121100131.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1310011211 is a prime.

It is a super-2 number, since 2×1310011211² = 3432258745891373042, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1310011192 and 1310011201.

It is not an unprimeable number, because it can be changed into a prime (1310011201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127361 + ... + 137261.

It is an arithmetic number, because the mean of its divisors is an integer number (89207118).

Almost surely, 2^1310011211 is an apocalyptic number.

1310011211 is a deficient number, since it is larger than the sum of its proper divisors (117302677).

1310011211 is a wasteful number, since it uses less digits than its factorization.

1310011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10142.

The product of its (nonzero) digits is 6, while the sum is 11.

The square root of 1310011211 is about 36194.0770154455. The cubic root of 1310011211 is about 1094.1873027029.

Adding to 1310011211 its reverse (1121100131), we get a palindrome (2431111342).

The spelling of 1310011211 in words is "one billion, three hundred ten million, eleven thousand, two hundred eleven".