23131310009 has 2 divisors, whose sum is σ = 23131310010. Its totient is φ = 23131310008.

The previous prime is 23131309979. The next prime is 23131310039. The reversal of 23131310009 is 90001313132.

It is a balanced prime because it is at equal distance from previous prime (23131309979) and next prime (23131310039).

It can be written as a sum of positive squares in only one way, i.e., 18094285225 + 5037024784 = 134515^2 + 70972^2 .

It is a cyclic number.

It is not a de Polignac number, because 23131310009 - 2¹⁶ = 23131244473 is a prime.

It is not a weakly prime, because it can be changed into another prime (23131310039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11565655004 + 11565655005.

It is an arithmetic number, because the mean of its divisors is an integer number (11565655005).

Almost surely, 2^23131310009 is an apocalyptic number.

It is an amenable number.

23131310009 is a deficient number, since it is larger than the sum of its proper divisors (1).

23131310009 is an equidigital number, since it uses as much as digits as its factorization.

23131310009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 23.

The spelling of 23131310009 in words is "twenty-three billion, one hundred thirty-one million, three hundred ten thousand, nine".