235116731 has 2 divisors, whose sum is σ = 235116732. Its totient is φ = 235116730.

The previous prime is 235116703. The next prime is 235116743. The reversal of 235116731 is 137611532.

235116731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 235116731 - 2²⁶ = 168007867 is a prime.

It is a super-2 number, since 2×235116731² = 110559754392252722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 235116694 and 235116703.

It is not a weakly prime, because it can be changed into another prime (235116781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117558365 + 117558366.

It is an arithmetic number, because the mean of its divisors is an integer number (117558366).

Almost surely, 2^235116731 is an apocalyptic number.

235116731 is a deficient number, since it is larger than the sum of its proper divisors (1).

235116731 is an equidigital number, since it uses as much as digits as its factorization.

235116731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780, while the sum is 29.

The square root of 235116731 is about 15333.5165894846. The cubic root of 235116731 is about 617.2027393398.

The spelling of 235116731 in words is "two hundred thirty-five million, one hundred sixteen thousand, seven hundred thirty-one".