340115431 has 8 divisors (see below), whose sum is σ = 343373184. Its totient is φ = 336867960.

The previous prime is 340115417. The next prime is 340115437. The reversal of 340115431 is 134511043.

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 340115431 - 2¹⁵ = 340082663 is a prime.

It is a super-2 number, since 2×340115431² = 231357012808631522, 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 (340115437) 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, 74686 + ... + 79108.

It is an arithmetic number, because the mean of its divisors is an integer number (42921648).

Almost surely, 2^340115431 is an apocalyptic number.

340115431 is a deficient number, since it is larger than the sum of its proper divisors (3257753).

340115431 is a wasteful number, since it uses less digits than its factorization.

340115431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5141.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 340115431 is about 18442.2187114241. The cubic root of 340115431 is about 698.0321814759.

Adding to 340115431 its reverse (134511043), we get a palindrome (474626474).

The spelling of 340115431 in words is "three hundred forty million, one hundred fifteen thousand, four hundred thirty-one".