231000003011 has 2 divisors, whose sum is σ = 231000003012. Its totient is φ = 231000003010.

The previous prime is 231000003001. The next prime is 231000003023. The reversal of 231000003011 is 110300000132.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231000003011 is a prime.

It is a super-2 number, since 2×231000003011² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231000002983 and 231000003001.

It is not a weakly prime, because it can be changed into another prime (231000003001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115500001505 + 115500001506.

It is an arithmetic number, because the mean of its divisors is an integer number (115500001506).

Almost surely, 2^231000003011 is an apocalyptic number.

231000003011 is a deficient number, since it is larger than the sum of its proper divisors (1).

231000003011 is an equidigital number, since it uses as much as digits as its factorization.

231000003011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 231000003011 its reverse (110300000132), we get a palindrome (341300003143).

The spelling of 231000003011 in words is "two hundred thirty-one billion, three thousand, eleven".