340000431 has 8 divisors (see below), whose sum is σ = 454164864. Its totient is φ = 226251480.

The previous prime is 340000429. The next prime is 340000457. The reversal of 340000431 is 134000043.

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

It is not a de Polignac number, because 340000431 - 2¹ = 340000429 is a prime.

It is a super-2 number, since 2×340000431² = 231200586160371522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 340000431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340000481) 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, 101955 + ... + 105236.

It is an arithmetic number, because the mean of its divisors is an integer number (56770608).

Almost surely, 2^340000431 is an apocalyptic number.

340000431 is a deficient number, since it is larger than the sum of its proper divisors (114164433).

340000431 is a wasteful number, since it uses less digits than its factorization.

340000431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207741.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 340000431 is about 18439.1006017105. The cubic root of 340000431 is about 697.9534996102.

Adding to 340000431 its reverse (134000043), we get a palindrome (474000474).

The spelling of 340000431 in words is "three hundred forty million, four hundred thirty-one", and thus it is an aban number.