3123331232011 has 2 divisors, whose sum is σ = 3123331232012. Its totient is φ = 3123331232010.

The previous prime is 3123331232003. The next prime is 3123331232027. The reversal of 3123331232011 is 1102321333213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3123331232011 - 2³ = 3123331232003 is a prime.

It is a super-2 number, since 2×3123331232011² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3123331232041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1561665616005 + 1561665616006.

It is an arithmetic number, because the mean of its divisors is an integer number (1561665616006).

Almost surely, 2^{3123331232011} is an apocalyptic number.

3123331232011 is a deficient number, since it is larger than the sum of its proper divisors (1).

3123331232011 is an equidigital number, since it uses as much as digits as its factorization.

3123331232011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 3123331232011 its reverse (1102321333213), we get a palindrome (4225652565224).

The spelling of 3123331232011 in words is "three trillion, one hundred twenty-three billion, three hundred thirty-one million, two hundred thirty-two thousand, eleven".