340412311 has 8 divisors (see below), whose sum is σ = 343070000. Its totient is φ = 337763520.

The previous prime is 340412279. The next prime is 340412323. The reversal of 340412311 is 113214043.

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 340412311 - 2⁵ = 340412279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340412011) 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, 88435 + ... + 92203.

It is an arithmetic number, because the mean of its divisors is an integer number (42883750).

Almost surely, 2^340412311 is an apocalyptic number.

340412311 is a deficient number, since it is larger than the sum of its proper divisors (2657689).

340412311 is a wasteful number, since it uses less digits than its factorization.

340412311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4449.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 340412311 is about 18450.2658788430. The cubic root of 340412311 is about 698.2352218833.

Adding to 340412311 its reverse (113214043), we get a palindrome (453626354).

The spelling of 340412311 in words is "three hundred forty million, four hundred twelve thousand, three hundred eleven".