3100220989 has 2 divisors, whose sum is σ = 3100220990. Its totient is φ = 3100220988.

The previous prime is 3100220983. The next prime is 3100221029. The reversal of 3100220989 is 9890220013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1643653764 + 1456567225 = 40542^2 + 38165^2 .

It is a cyclic number.

It is not a de Polignac number, because 3100220989 - 2¹⁹ = 3099696701 is a prime.

It is a super-2 number, since 2×3100220989² = 19222740361272276242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3100220983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1550110494 + 1550110495.

It is an arithmetic number, because the mean of its divisors is an integer number (1550110495).

Almost surely, 2^3100220989 is an apocalyptic number.

It is an amenable number.

3100220989 is a deficient number, since it is larger than the sum of its proper divisors (1).

3100220989 is an equidigital number, since it uses as much as digits as its factorization.

3100220989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 3100220989 is about 55679.6281327381. The cubic root of 3100220989 is about 1458.1343827456.

The spelling of 3100220989 in words is "three billion, one hundred million, two hundred twenty thousand, nine hundred eighty-nine".