1040331311 has 4 divisors (see below), whose sum is σ = 1055858712. Its totient is φ = 1024803912.

The previous prime is 1040331307. The next prime is 1040331319. The reversal of 1040331311 is 1131330401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1040331311 - 2² = 1040331307 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 1040331311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040331319) 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, 7763600 + ... + 7763733.

It is an arithmetic number, because the mean of its divisors is an integer number (263964678).

Almost surely, 2^1040331311 is an apocalyptic number.

1040331311 is a deficient number, since it is larger than the sum of its proper divisors (15527401).

1040331311 is an equidigital number, since it uses as much as digits as its factorization.

1040331311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15527400.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1040331311 is about 32254.1673431512. The cubic root of 1040331311 is about 1013.2669792102.

Adding to 1040331311 its reverse (1131330401), we get a palindrome (2171661712).

It can be divided in two parts, 10403 and 31311, that added together give a palindrome (41714).

The spelling of 1040331311 in words is "one billion, forty million, three hundred thirty-one thousand, three hundred eleven".