3120020031269 has 2 divisors, whose sum is σ = 3120020031270. Its totient is φ = 3120020031268.

The previous prime is 3120020031257. The next prime is 3120020031379. The reversal of 3120020031269 is 9621300200213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3107597814244 + 12422217025 = 1762838^2 + 111455^2 .

It is a cyclic number.

It is not a de Polignac number, because 3120020031269 - 2³² = 3115725063973 is a prime.

It is a super-2 number, since 2×3120020031269² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3120020031239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560010015634 + 1560010015635.

It is an arithmetic number, because the mean of its divisors is an integer number (1560010015635).

Almost surely, 2^{3120020031269} is an apocalyptic number.

It is an amenable number.

3120020031269 is a deficient number, since it is larger than the sum of its proper divisors (1).

3120020031269 is an equidigital number, since it uses as much as digits as its factorization.

3120020031269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 29.

The spelling of 3120020031269 in words is "three trillion, one hundred twenty billion, twenty million, thirty-one thousand, two hundred sixty-nine".