3111213323131 has 8 divisors (see below), whose sum is σ = 3322319011200. Its totient is φ = 2907029133120.

The previous prime is 3111213323111. The next prime is 3111213323137. The reversal of 3111213323131 is 1313233121113.

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

It is a cyclic number.

It is not a de Polignac number, because 3111213323131 - 2²¹ = 3111211225979 is a prime.

It is a super-2 number, since 2×3111213323131² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3111213323096 and 3111213323105.

It is not an unprimeable number, because it can be changed into a prime (3111213323137) 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, 1730373586 + ... + 1730375383.

It is an arithmetic number, because the mean of its divisors is an integer number (415289876400).

Almost surely, 2^{3111213323131} is an apocalyptic number.

3111213323131 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

3111213323131 is a deficient number, since it is larger than the sum of its proper divisors (211105688069).

3111213323131 is a wasteful number, since it uses less digits than its factorization.

3111213323131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3460749029.

The product of its digits is 972, while the sum is 25.

Adding to 3111213323131 its reverse (1313233121113), we get a palindrome (4424446444244).

The spelling of 3111213323131 in words is "three trillion, one hundred eleven billion, two hundred thirteen million, three hundred twenty-three thousand, one hundred thirty-one".