1310231233211 has 16 divisors (see below), whose sum is σ = 1448103287808. Its totient is φ = 1179150403200.

The previous prime is 1310231233193. The next prime is 1310231233231. The reversal of 1310231233211 is 1123321320131.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1310231233211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1310231233231) 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, 620846 + ... + 1733756.

It is an arithmetic number, because the mean of its divisors is an integer number (90506455488).

Almost surely, 2^{1310231233211} is an apocalyptic number.

1310231233211 is a deficient number, since it is larger than the sum of its proper divisors (137872054597).

1310231233211 is a wasteful number, since it uses less digits than its factorization.

1310231233211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115962.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1310231233211 its reverse (1123321320131), we get a palindrome (2433552553342).

The spelling of 1310231233211 in words is "one trillion, three hundred ten billion, two hundred thirty-one million, two hundred thirty-three thousand, two hundred eleven".