1040342011 has 4 divisors (see below), whose sum is σ = 1040410224. Its totient is φ = 1040273800.

The previous prime is 1040341949. The next prime is 1040342029. The reversal of 1040342011 is 1102430401.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1102430401 = 31 ⋅35562271.

It is a cyclic number.

It is not a de Polignac number, because 1040342011 - 2⁹ = 1040341499 is a prime.

It is a super-2 number, since 2×1040342011² = 2164622999703048242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1040342711) 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, 426 + ... + 45616.

It is an arithmetic number, because the mean of its divisors is an integer number (260102556).

Almost surely, 2^1040342011 is an apocalyptic number.

1040342011 is a deficient number, since it is larger than the sum of its proper divisors (68213).

1040342011 is an equidigital number, since it uses as much as digits as its factorization.

1040342011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68212.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1040342011 is about 32254.3332127638. Note that the first 3 decimals coincide. The cubic root of 1040342011 is about 1013.2704530777.

Adding to 1040342011 its reverse (1102430401), we get a palindrome (2142772412).

The spelling of 1040342011 in words is "one billion, forty million, three hundred forty-two thousand, eleven".