1040220311 has 8 divisors (see below), whose sum is σ = 1131330144. Its totient is φ = 950695200.

The previous prime is 1040220281. The next prime is 1040220317. The reversal of 1040220311 is 1130220401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1040220311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040220317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394811 + ... + 397436.

It is an arithmetic number, because the mean of its divisors is an integer number (141416268).

Almost surely, 2^1040220311 is an apocalyptic number.

1040220311 is a deficient number, since it is larger than the sum of its proper divisors (91109833).

1040220311 is a wasteful number, since it uses less digits than its factorization.

1040220311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792361.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1040220311 is about 32252.4465893674. The cubic root of 1040220311 is about 1013.2309404874.

Adding to 1040220311 its reverse (1130220401), we get a palindrome (2170440712).

The spelling of 1040220311 in words is "one billion, forty million, two hundred twenty thousand, three hundred eleven".