239361131 has 2 divisors, whose sum is σ = 239361132. Its totient is φ = 239361130.

The previous prime is 239361121. The next prime is 239361149. The reversal of 239361131 is 131163932.

239361131 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 is a cyclic number.

It is not a de Polignac number, because 239361131 - 2¹⁴ = 239344747 is a prime.

It is a super-2 number, since 2×239361131² = 114587502067198322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 239361094 and 239361103.

It is not a weakly prime, because it can be changed into another prime (239361121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119680565 + 119680566.

It is an arithmetic number, because the mean of its divisors is an integer number (119680566).

Almost surely, 2^239361131 is an apocalyptic number.

239361131 is a deficient number, since it is larger than the sum of its proper divisors (1).

239361131 is an equidigital number, since it uses as much as digits as its factorization.

239361131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2916, while the sum is 29.

The square root of 239361131 is about 15471.3002362439. The cubic root of 239361131 is about 620.8945904793.

The spelling of 239361131 in words is "two hundred thirty-nine million, three hundred sixty-one thousand, one hundred thirty-one".