31444224103091 has 2 divisors, whose sum is σ = 31444224103092. Its totient is φ = 31444224103090.

The previous prime is 31444224103081. The next prime is 31444224103141. The reversal of 31444224103091 is 19030142244413.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31444224103091 is a prime.

It is not a weakly prime, because it can be changed into another prime (31444224103081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15722112051545 + 15722112051546.

It is an arithmetic number, because the mean of its divisors is an integer number (15722112051546).

Almost surely, 2^{31444224103091} is an apocalyptic number.

31444224103091 is a deficient number, since it is larger than the sum of its proper divisors (1).

31444224103091 is an equidigital number, since it uses as much as digits as its factorization.

31444224103091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 31444224103091 in words is "thirty-one trillion, four hundred forty-four billion, two hundred twenty-four million, one hundred three thousand, ninety-one".