1311042433101 has 16 divisors (see below), whose sum is σ = 1795617567744. Its totient is φ = 850256115264.

The previous prime is 1311042433081. The next prime is 1311042433133. The reversal of 1311042433101 is 1013342401131.

It is a happy number.

It is not a de Polignac number, because 1311042433101 - 2⁶ = 1311042433037 is a prime.

It is a super-2 number, since 2×1311042433101² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311042433501) 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, 405421 + ... + 1669266.

It is an arithmetic number, because the mean of its divisors is an integer number (112226097984).

Almost surely, 2^{1311042433101} is an apocalyptic number.

It is an amenable number.

1311042433101 is a deficient number, since it is larger than the sum of its proper divisors (484575134643).

1311042433101 is a wasteful number, since it uses less digits than its factorization.

1311042433101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2080420.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 1311042433101 its reverse (1013342401131), we get a palindrome (2324384834232).

The spelling of 1311042433101 in words is "one trillion, three hundred eleven billion, forty-two million, four hundred thirty-three thousand, one hundred one".