340001031 has 4 divisors (see below), whose sum is σ = 453334712. Its totient is φ = 226667352.

The previous prime is 340000993. The next prime is 340001033. The reversal of 340001031 is 130100043.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 340001031 - 2¹⁴ = 339984647 is a prime.

It is a super-2 number, since 2×340001031² = 231201402162125922, 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 = 340000998 and 340001016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340001033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56666836 + ... + 56666841.

It is an arithmetic number, because the mean of its divisors is an integer number (113333678).

Almost surely, 2^340001031 is an apocalyptic number.

340001031 is a deficient number, since it is larger than the sum of its proper divisors (113333681).

340001031 is a wasteful number, since it uses less digits than its factorization.

340001031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113333680.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 340001031 is about 18439.1168714773. The cubic root of 340001031 is about 697.9539101703.

Adding to 340001031 its reverse (130100043), we get a palindrome (470101074).

The spelling of 340001031 in words is "three hundred forty million, one thousand, thirty-one".