31301222214389 has 2 divisors, whose sum is σ = 31301222214390. Its totient is φ = 31301222214388.

The previous prime is 31301222214211. The next prime is 31301222214403. The reversal of 31301222214389 is 98341222210313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17531111358289 + 13770110856100 = 4187017^2 + 3710810^2 .

It is a cyclic number.

It is not a de Polignac number, because 31301222214389 - 2⁸ = 31301222214133 is a prime.

It is a super-2 number, since 2×31301222214389² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31301222274389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15650611107194 + 15650611107195.

It is an arithmetic number, because the mean of its divisors is an integer number (15650611107195).

Almost surely, 2^{31301222214389} is an apocalyptic number.

It is an amenable number.

31301222214389 is a deficient number, since it is larger than the sum of its proper divisors (1).

31301222214389 is an equidigital number, since it uses as much as digits as its factorization.

31301222214389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 41.

The spelling of 31301222214389 in words is "thirty-one trillion, three hundred one billion, two hundred twenty-two million, two hundred fourteen thousand, three hundred eighty-nine".