1002042023311 has 16 divisors (see below), whose sum is σ = 1150905600000. Its totient is φ = 854612898048.

The previous prime is 1002042023261. The next prime is 1002042023329. The reversal of 1002042023311 is 1133202402001.

It is a happy number.

It is not a de Polignac number, because 1002042023311 - 2²³ = 1002033634703 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 (1002042023611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1849806 + ... + 2329348.

It is an arithmetic number, because the mean of its divisors is an integer number (71931600000).

Almost surely, 2^{1002042023311} is an apocalyptic number.

1002042023311 is a deficient number, since it is larger than the sum of its proper divisors (148863576689).

1002042023311 is a wasteful number, since it uses less digits than its factorization.

1002042023311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481038.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1002042023311 its reverse (1133202402001), we get a palindrome (2135244425312).

The spelling of 1002042023311 in words is "one trillion, two billion, forty-two million, twenty-three thousand, three hundred eleven".