350140231 has 24 divisors (see below), whose sum is σ = 415062144. Its totient is φ = 295323000.

The previous prime is 350140223. The next prime is 350140243. The reversal of 350140231 is 132041053.

It is not a de Polignac number, because 350140231 - 2³ = 350140223 is a prime.

It is a super-2 number, since 2×350140231² = 245196362729466722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 350140199 and 350140208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (350140261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1394856 + ... + 1395106.

It is an arithmetic number, because the mean of its divisors is an integer number (17294256).

Almost surely, 2^350140231 is an apocalyptic number.

350140231 is a deficient number, since it is larger than the sum of its proper divisors (64921913).

350140231 is an frugal number, since it uses more digits than its factorization.

350140231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369 (or 341 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 350140231 is about 18712.0343896649. The cubic root of 350140231 is about 704.8239796630.

Adding to 350140231 its reverse (132041053), we get a palindrome (482181284).

The spelling of 350140231 in words is "three hundred fifty million, one hundred forty thousand, two hundred thirty-one".