340211231 has 8 divisors (see below), whose sum is σ = 343193760. Its totient is φ = 337240288.

The previous prime is 340211219. The next prime is 340211233. The reversal of 340211231 is 132112043.

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 340211231 - 2⁶ = 340211167 is a prime.

It is a super-2 number, since 2×340211231² = 231487363397070722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340211233) 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, 62345 + ... + 67581.

It is an arithmetic number, because the mean of its divisors is an integer number (42899220).

Almost surely, 2^340211231 is an apocalyptic number.

340211231 is a deficient number, since it is larger than the sum of its proper divisors (2982529).

340211231 is a wasteful number, since it uses less digits than its factorization.

340211231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5793.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 340211231 is about 18444.8158299290. The cubic root of 340211231 is about 698.0977133506.

Adding to 340211231 its reverse (132112043), we get a palindrome (472323274).

The spelling of 340211231 in words is "three hundred forty million, two hundred eleven thousand, two hundred thirty-one".