340455331 has 8 divisors (see below), whose sum is σ = 352633680. Its totient is φ = 328306272.

The previous prime is 340455307. The next prime is 340455337. The reversal of 340455331 is 133554043.

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 340455331 - 2¹³ = 340447139 is a prime.

It is a super-2 number, since 2×340455331² = 231819664812639122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 340455331.

It is not an unprimeable number, because it can be changed into a prime (340455337) 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, 17856 + ... + 31618.

It is an arithmetic number, because the mean of its divisors is an integer number (44079210).

Almost surely, 2^340455331 is an apocalyptic number.

340455331 is a deficient number, since it is larger than the sum of its proper divisors (12178349).

340455331 is a wasteful number, since it uses less digits than its factorization.

340455331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14645.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 340455331 is about 18451.4316788698. The cubic root of 340455331 is about 698.2646340726.

The spelling of 340455331 in words is "three hundred forty million, four hundred fifty-five thousand, three hundred thirty-one".