340332431 has 8 divisors (see below), whose sum is σ = 348894000. Its totient is φ = 331783360.

The previous prime is 340332413. The next prime is 340332437. The reversal of 340332431 is 134233043.

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 340332431 - 2¹⁸ = 340070287 is a prime.

It is a super-2 number, since 2×340332431² = 231652327180739522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 340332397 and 340332406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340332437) 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, 77780 + ... + 82038.

It is an arithmetic number, because the mean of its divisors is an integer number (43611750).

Almost surely, 2^340332431 is an apocalyptic number.

340332431 is a deficient number, since it is larger than the sum of its proper divisors (8561569).

340332431 is a wasteful number, since it uses less digits than its factorization.

340332431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6249.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 340332431 is about 18448.1010133835. The cubic root of 340332431 is about 698.1806024400.

Adding to 340332431 its reverse (134233043), we get a palindrome (474565474).

The spelling of 340332431 in words is "three hundred forty million, three hundred thirty-two thousand, four hundred thirty-one".