231133103103011 has 2 divisors, whose sum is σ = 231133103103012. Its totient is φ = 231133103103010.

The previous prime is 231133103102989. The next prime is 231133103103047. The reversal of 231133103103011 is 110301301331132.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231133103103011 is a prime.

It is a super-2 number, since 2×231133103103011² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (231133103105011) 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 as a sum of consecutive naturals, namely, 115566551551505 + 115566551551506.

It is an arithmetic number, because the mean of its divisors is an integer number (115566551551506).

Almost surely, 2^{231133103103011} is an apocalyptic number.

231133103103011 is a deficient number, since it is larger than the sum of its proper divisors (1).

231133103103011 is an equidigital number, since it uses as much as digits as its factorization.

231133103103011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 231133103103011 its reverse (110301301331132), we get a palindrome (341434404434143).

The spelling of 231133103103011 in words is "two hundred thirty-one trillion, one hundred thirty-three billion, one hundred three million, one hundred three thousand, eleven".