3011121233231 has 4 divisors (see below), whose sum is σ = 3011609819832. Its totient is φ = 3010632646632.

The previous prime is 3011121233221. The next prime is 3011121233251. The reversal of 3011121233231 is 1323321211103.

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 3011121233231 - 2³⁸ = 2736243326287 is a prime.

It is a super-2 number, since 2×3011121233231² (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 = 3011121233197 and 3011121233206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3011121233221) 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, 244284056 + ... + 244296381.

It is an arithmetic number, because the mean of its divisors is an integer number (752902454958).

Almost surely, 2^{3011121233231} is an apocalyptic number.

3011121233231 is a deficient number, since it is larger than the sum of its proper divisors (488586601).

3011121233231 is an equidigital number, since it uses as much as digits as its factorization.

3011121233231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488586600.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 3011121233231 its reverse (1323321211103), we get a palindrome (4334442444334).

The spelling of 3011121233231 in words is "three trillion, eleven billion, one hundred twenty-one million, two hundred thirty-three thousand, two hundred thirty-one".