3131012089 has 2 divisors, whose sum is σ = 3131012090. Its totient is φ = 3131012088.

The previous prime is 3131012083. The next prime is 3131012117. The reversal of 3131012089 is 9802101313.

It is an a-pointer prime, because the next prime (3131012117) can be obtained adding 3131012089 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2007756864 + 1123255225 = 44808^2 + 33515^2 .

It is an emirp because it is prime and its reverse (9802101313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3131012089 - 2¹⁵ = 3130979321 is a prime.

It is not a weakly prime, because it can be changed into another prime (3131012083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565506044 + 1565506045.

It is an arithmetic number, because the mean of its divisors is an integer number (1565506045).

Almost surely, 2^3131012089 is an apocalyptic number.

It is an amenable number.

3131012089 is a deficient number, since it is larger than the sum of its proper divisors (1).

3131012089 is an equidigital number, since it uses as much as digits as its factorization.

3131012089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 3131012089 is about 55955.4473576970. The cubic root of 3131012089 is about 1462.9458394208.

The spelling of 3131012089 in words is "three billion, one hundred thirty-one million, twelve thousand, eighty-nine".