1042311311 has 4 divisors (see below), whose sum is σ = 1056991824. Its totient is φ = 1027630800.

The previous prime is 1042311251. The next prime is 1042311323. The reversal of 1042311311 is 1131132401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1131132401 = 7 ⋅161590343.

It is a cyclic number.

It is not a de Polignac number, because 1042311311 - 2²⁶ = 975202447 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1042311311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042311341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7340150 + ... + 7340291.

It is an arithmetic number, because the mean of its divisors is an integer number (264247956).

Almost surely, 2^1042311311 is an apocalyptic number.

1042311311 is a deficient number, since it is larger than the sum of its proper divisors (14680513).

1042311311 is an equidigital number, since it uses as much as digits as its factorization.

1042311311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14680512.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1042311311 is about 32284.8464608398. The cubic root of 1042311311 is about 1013.9094018494.

Adding to 1042311311 its reverse (1131132401), we get a palindrome (2173443712).

The spelling of 1042311311 in words is "one billion, forty-two million, three hundred eleven thousand, three hundred eleven".