111381270313 has 2 divisors, whose sum is σ = 111381270314. Its totient is φ = 111381270312.

The previous prime is 111381270307. The next prime is 111381270347. The reversal of 111381270313 is 313072183111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72850328464 + 38530941849 = 269908^2 + 196293^2 .

It is a cyclic number.

It is not a de Polignac number, because 111381270313 - 2⁵ = 111381270281 is a prime.

It is not a weakly prime, because it can be changed into another prime (111381270383) 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, 55690635156 + 55690635157.

It is an arithmetic number, because the mean of its divisors is an integer number (55690635157).

Almost surely, 2^111381270313 is an apocalyptic number.

It is an amenable number.

111381270313 is a deficient number, since it is larger than the sum of its proper divisors (1).

111381270313 is an equidigital number, since it uses as much as digits as its factorization.

111381270313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 31.

The spelling of 111381270313 in words is "one hundred eleven billion, three hundred eighty-one million, two hundred seventy thousand, three hundred thirteen".