111030031297 has 2 divisors, whose sum is σ = 111030031298. Its totient is φ = 111030031296.

The previous prime is 111030031279. The next prime is 111030031313. The reversal of 111030031297 is 792130030111.

Together with previous prime (111030031279) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63788574096 + 47241457201 = 252564^2 + 217351^2 .

It is a cyclic number.

It is not a de Polignac number, because 111030031297 - 2¹¹ = 111030029249 is a prime.

It is not a weakly prime, because it can be changed into another prime (111030031237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55515015648 + 55515015649.

It is an arithmetic number, because the mean of its divisors is an integer number (55515015649).

Almost surely, 2^111030031297 is an apocalyptic number.

It is an amenable number.

111030031297 is a deficient number, since it is larger than the sum of its proper divisors (1).

111030031297 is an equidigital number, since it uses as much as digits as its factorization.

111030031297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 28.

The spelling of 111030031297 in words is "one hundred eleven billion, thirty million, thirty-one thousand, two hundred ninety-seven".