231011103073 has 2 divisors, whose sum is σ = 231011103074. Its totient is φ = 231011103072.

The previous prime is 231011103031. The next prime is 231011103079. The reversal of 231011103073 is 370301110132.

231011103073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 220840783969 + 10170319104 = 469937^2 + 100848^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231011103073 is a prime.

It is a super-2 number, since 2×231011103073² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (231011103079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115505551536 + 115505551537.

It is an arithmetic number, because the mean of its divisors is an integer number (115505551537).

Almost surely, 2^231011103073 is an apocalyptic number.

It is an amenable number.

231011103073 is a deficient number, since it is larger than the sum of its proper divisors (1).

231011103073 is an equidigital number, since it uses as much as digits as its factorization.

231011103073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 22.

It can be divided in two parts, 231011 and 103073, that added together give a square (334084 = 578²).

The spelling of 231011103073 in words is "two hundred thirty-one billion, eleven million, one hundred three thousand, seventy-three".