111313031029 has 2 divisors, whose sum is σ = 111313031030. Its totient is φ = 111313031028.

The previous prime is 111313031003. The next prime is 111313031033. The reversal of 111313031029 is 920130313111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96800010129 + 14513020900 = 311127^2 + 120470^2 .

It is an emirp because it is prime and its reverse (920130313111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111313031029 - 2¹⁵ = 111312998261 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111313030994 and 111313031012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111313031059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55656515514 + 55656515515.

It is an arithmetic number, because the mean of its divisors is an integer number (55656515515).

Almost surely, 2^111313031029 is an apocalyptic number.

It is an amenable number.

111313031029 is a deficient number, since it is larger than the sum of its proper divisors (1).

111313031029 is an equidigital number, since it uses as much as digits as its factorization.

111313031029 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 25.

The spelling of 111313031029 in words is "one hundred eleven billion, three hundred thirteen million, thirty-one thousand, twenty-nine".