3311123021131 has 4 divisors (see below), whose sum is σ = 3334944050200. Its totient is φ = 3287301992064.

The previous prime is 3311123021117. The next prime is 3311123021197. The reversal of 3311123021131 is 1311203211133.

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 3311123021131 - 2¹⁷ = 3311122890059 is a prime.

It is a super-2 number, since 2×3311123021131² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3311123021111) 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, 11910514326 + ... + 11910514603.

It is an arithmetic number, because the mean of its divisors is an integer number (833736012550).

Almost surely, 2^{3311123021131} is an apocalyptic number.

3311123021131 is a deficient number, since it is larger than the sum of its proper divisors (23821029069).

3311123021131 is a wasteful number, since it uses less digits than its factorization.

3311123021131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23821029068.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 3311123021131 its reverse (1311203211133), we get a palindrome (4622326232264).

The spelling of 3311123021131 in words is "three trillion, three hundred eleven billion, one hundred twenty-three million, twenty-one thousand, one hundred thirty-one".