1002040311 has 8 divisors (see below), whose sum is σ = 1379152384. Its totient is φ = 646477560.

The previous prime is 1002040289. The next prime is 1002040321. The reversal of 1002040311 is 1130402001.

It is a happy number.

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

It is not a de Polignac number, because 1002040311 - 2⁵ = 1002040279 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 (1002040321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5387221 + ... + 5387406.

It is an arithmetic number, because the mean of its divisors is an integer number (172394048).

Almost surely, 2^1002040311 is an apocalyptic number.

1002040311 is a deficient number, since it is larger than the sum of its proper divisors (377112073).

1002040311 is a wasteful number, since it uses less digits than its factorization.

1002040311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10774661.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1002040311 is about 31655.0203127403. The cubic root of 1002040311 is about 1000.6796416493.

Adding to 1002040311 its reverse (1130402001), we get a palindrome (2132442312).

The spelling of 1002040311 in words is "one billion, two million, forty thousand, three hundred eleven".