1042401311 has 4 divisors (see below), whose sum is σ = 1191315792. Its totient is φ = 893486832.

The previous prime is 1042401301. The next prime is 1042401341. The reversal of 1042401311 is 1131042401.

It is a happy number.

1042401311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1131042401 = 2417 ⋅467953.

It is not a de Polignac number, because 1042401311 - 2¹⁴ = 1042384927 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 1042401311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042401301) 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, 74457230 + ... + 74457243.

It is an arithmetic number, because the mean of its divisors is an integer number (297828948).

Almost surely, 2^1042401311 is an apocalyptic number.

1042401311 is a deficient number, since it is larger than the sum of its proper divisors (148914481).

1042401311 is an equidigital number, since it uses as much as digits as its factorization.

1042401311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148914480.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1042401311 is about 32286.2402735283. The cubic root of 1042401311 is about 1013.9385835404.

Adding to 1042401311 its reverse (1131042401), we get a palindrome (2173443712).

The spelling of 1042401311 in words is "one billion, forty-two million, four hundred one thousand, three hundred eleven".