3131011489 has 2 divisors, whose sum is σ = 3131011490. Its totient is φ = 3131011488.

The previous prime is 3131011441. The next prime is 3131011511. The reversal of 3131011489 is 9841101313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2940350625 + 190660864 = 54225^2 + 13808^2 .

It is a cyclic number.

It is not a de Polignac number, because 3131011489 - 2⁹ = 3131010977 is a prime.

It is a super-3 number, since 3×3131011489³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3131011489.

It is not a weakly prime, because it can be changed into another prime (3131011409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565505744 + 1565505745.

It is an arithmetic number, because the mean of its divisors is an integer number (1565505745).

Almost surely, 2^3131011489 is an apocalyptic number.

It is an amenable number.

3131011489 is a deficient number, since it is larger than the sum of its proper divisors (1).

3131011489 is an equidigital number, since it uses as much as digits as its factorization.

3131011489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 3131011489 is about 55955.4419962884. The cubic root of 3131011489 is about 1462.9457459720.

The spelling of 3131011489 in words is "three billion, one hundred thirty-one million, eleven thousand, four hundred eighty-nine".