350731 has 2 divisors, whose sum is σ = 350732. Its totient is φ = 350730.

The previous prime is 350729. The next prime is 350737. The reversal of 350731 is 137053.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 350731 - 2¹ = 350729 is a prime.

It is a super-2 number, since 2×350731² = 246024468722, which contains 22 as substring.

Together with 350729, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 350699 and 350708.

It is not a weakly prime, because it can be changed into another prime (350737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175365 + 175366.

It is an arithmetic number, because the mean of its divisors is an integer number (175366).

2³⁵⁰⁷³¹ is an apocalyptic number.

350731 is a deficient number, since it is larger than the sum of its proper divisors (1).

350731 is an equidigital number, since it uses as much as digits as its factorization.

350731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 315, while the sum is 19.

The square root of 350731 is about 592.2254638227. The cubic root of 350731 is about 70.5220158259.

Adding to 350731 its reverse (137053), we get a palindrome (487784).

It can be divided in two parts, 350 and 731, that added together give a triangular number (1081 = T₄₆).

The spelling of 350731 in words is "three hundred fifty thousand, seven hundred thirty-one".