235195031 has 2 divisors, whose sum is σ = 235195032. Its totient is φ = 235195030.

The previous prime is 235195013. The next prime is 235195043. The reversal of 235195031 is 130591532.

Together with previous prime (235195013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-235195031 is a prime.

It is a super-2 number, since 2×235195031² = 110633405214181922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 235194985 and 235195003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (235195531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117597515 + 117597516.

It is an arithmetic number, because the mean of its divisors is an integer number (117597516).

Almost surely, 2^235195031 is an apocalyptic number.

235195031 is a deficient number, since it is larger than the sum of its proper divisors (1).

235195031 is an equidigital number, since it uses as much as digits as its factorization.

235195031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4050, while the sum is 29.

The square root of 235195031 is about 15336.0696073016. The cubic root of 235195031 is about 617.2712466022.

The spelling of 235195031 in words is "two hundred thirty-five million, one hundred ninety-five thousand, thirty-one".