340023031 has 8 divisors (see below), whose sum is σ = 362451200. Its totient is φ = 318048120.

The previous prime is 340023017. The next prime is 340023071. The reversal of 340023031 is 130320043.

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 340023031 - 2¹⁵ = 339990263 is a prime.

It is a super-2 number, since 2×340023031² = 231231323220853922, 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 = 340022996 and 340023014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340023011) 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, 111765 + ... + 114766.

It is an arithmetic number, because the mean of its divisors is an integer number (45306400).

Almost surely, 2^340023031 is an apocalyptic number.

340023031 is a deficient number, since it is larger than the sum of its proper divisors (22428169).

340023031 is a wasteful number, since it uses less digits than its factorization.

340023031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226629.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 340023031 is about 18439.7134196820. The cubic root of 340023031 is about 697.9689637079.

Adding to 340023031 its reverse (130320043), we get a palindrome (470343074).

The spelling of 340023031 in words is "three hundred forty million, twenty-three thousand, thirty-one".