340143471 has 12 divisors (see below), whose sum is σ = 492233560. Its totient is φ = 226339920.

The previous prime is 340143467. The next prime is 340143473. The reversal of 340143471 is 174341043.

It is not a de Polignac number, because 340143471 - 2² = 340143467 is a prime.

It is a super-3 number, since 3×340143471³ (a number of 27 digits) contains 333 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 (340143473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30061 + ... + 39798.

Almost surely, 2^340143471 is an apocalyptic number.

340143471 is a deficient number, since it is larger than the sum of its proper divisors (152090089).

340143471 is a wasteful number, since it uses less digits than its factorization.

340143471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70406 (or 70403 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 340143471 is about 18442.9789079747. The cubic root of 340143471 is about 698.0513634778.

The spelling of 340143471 in words is "three hundred forty million, one hundred forty-three thousand, four hundred seventy-one".