340430331 has 8 divisors (see below), whose sum is σ = 454063104. Its totient is φ = 226875560.

The previous prime is 340430281. The next prime is 340430351. The reversal of 340430331 is 133034043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 340430331 - 2⁶ = 340430267 is a prime.

It is a super-2 number, since 2×340430331² = 231785620529539122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 340430298 and 340430307.

It is not an unprimeable number, because it can be changed into a prime (340430351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8415 + ... + 27416.

It is an arithmetic number, because the mean of its divisors is an integer number (56757888).

Almost surely, 2^340430331 is an apocalyptic number.

340430331 is a deficient number, since it is larger than the sum of its proper divisors (113632773).

340430331 is a wasteful number, since it uses less digits than its factorization.

340430331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39001.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 340430331 is about 18450.7542122267. The cubic root of 340430331 is about 698.2475422140.

Adding to 340430331 its reverse (133034043), we get a palindrome (473464374).

The spelling of 340430331 in words is "three hundred forty million, four hundred thirty thousand, three hundred thirty-one".