3112020041989 has 2 divisors, whose sum is σ = 3112020041990. Its totient is φ = 3112020041988.

The previous prime is 3112020041953. The next prime is 3112020042023. The reversal of 3112020041989 is 9891400202113.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2267560128964 + 844459913025 = 1505842^2 + 918945^2 .

It is a cyclic number.

It is not a de Polignac number, because 3112020041989 - 2¹⁵ = 3112020009221 is a prime.

It is a super-2 number, since 2×3112020041989² (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 (3112020041489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556010020994 + 1556010020995.

It is an arithmetic number, because the mean of its divisors is an integer number (1556010020995).

Almost surely, 2^{3112020041989} is an apocalyptic number.

It is an amenable number.

3112020041989 is a deficient number, since it is larger than the sum of its proper divisors (1).

3112020041989 is an equidigital number, since it uses as much as digits as its factorization.

3112020041989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 40.

The spelling of 3112020041989 in words is "three trillion, one hundred twelve billion, twenty million, forty-one thousand, nine hundred eighty-nine".