340207031 has 8 divisors (see below), whose sum is σ = 343334064. Its totient is φ = 337089600.

The previous prime is 340207019. The next prime is 340207037. The reversal of 340207031 is 130702043.

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 340207031 - 2¹⁴ = 340190647 is a prime.

It is a super-2 number, since 2×340207031² = 231481647883669922, 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 = 340206994 and 340207012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340207037) 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, 81956 + ... + 86006.

It is an arithmetic number, because the mean of its divisors is an integer number (42916758).

Almost surely, 2^340207031 is an apocalyptic number.

340207031 is a deficient number, since it is larger than the sum of its proper divisors (3127033).

340207031 is a wasteful number, since it uses less digits than its factorization.

340207031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4801.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 340207031 is about 18444.7019764484. The cubic root of 340207031 is about 698.0948406035.

Adding to 340207031 its reverse (130702043), we get a palindrome (470909074).

The spelling of 340207031 in words is "three hundred forty million, two hundred seven thousand, thirty-one".