236152031209 has 2 divisors, whose sum is σ = 236152031210. Its totient is φ = 236152031208.

The previous prime is 236152031183. The next prime is 236152031221. The reversal of 236152031209 is 902130251632.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 235173592809 + 978438400 = 484947^2 + 31280^2 .

It is a cyclic number.

It is not a de Polignac number, because 236152031209 - 2⁵ = 236152031177 is a prime.

It is not a weakly prime, because it can be changed into another prime (236152038209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 118076015604 + 118076015605.

It is an arithmetic number, because the mean of its divisors is an integer number (118076015605).

Almost surely, 2^236152031209 is an apocalyptic number.

It is an amenable number.

236152031209 is a deficient number, since it is larger than the sum of its proper divisors (1).

236152031209 is an equidigital number, since it uses as much as digits as its factorization.

236152031209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 34.

The spelling of 236152031209 in words is "two hundred thirty-six billion, one hundred fifty-two million, thirty-one thousand, two hundred nine".