2312030989 has 2 divisors, whose sum is σ = 2312030990. Its totient is φ = 2312030988.

The previous prime is 2312030977. The next prime is 2312031013. The reversal of 2312030989 is 9890302132.

2312030989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1869265225 + 442765764 = 43235^2 + 21042^2 .

It is a cyclic number.

It is not a de Polignac number, because 2312030989 - 2²³ = 2303642381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2312030939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156015494 + 1156015495.

It is an arithmetic number, because the mean of its divisors is an integer number (1156015495).

Almost surely, 2^2312030989 is an apocalyptic number.

It is an amenable number.

2312030989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2312030989 is an equidigital number, since it uses as much as digits as its factorization.

2312030989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 2312030989 is about 48083.5833627237. The cubic root of 2312030989 is about 1322.3037114920.

The spelling of 2312030989 in words is "two billion, three hundred twelve million, thirty thousand, nine hundred eighty-nine".