31144014020069 has 2 divisors, whose sum is σ = 31144014020070. Its totient is φ = 31144014020068.

The previous prime is 31144014020017. The next prime is 31144014020083. The reversal of 31144014020069 is 96002041044113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30509737167844 + 634276852225 = 5523562^2 + 796415^2 .

It is a cyclic number.

It is not a de Polignac number, because 31144014020069 - 2¹⁶ = 31144013954533 is a prime.

It is a super-2 number, since 2×31144014020069² (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 (31144014020099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15572007010034 + 15572007010035.

It is an arithmetic number, because the mean of its divisors is an integer number (15572007010035).

Almost surely, 2^{31144014020069} is an apocalyptic number.

It is an amenable number.

31144014020069 is a deficient number, since it is larger than the sum of its proper divisors (1).

31144014020069 is an equidigital number, since it uses as much as digits as its factorization.

31144014020069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 31144014020069 in words is "thirty-one trillion, one hundred forty-four billion, fourteen million, twenty thousand, sixty-nine".