343422031 has 4 divisors (see below), whose sum is σ = 355264200. Its totient is φ = 331579864.

The previous prime is 343422019. The next prime is 343422041. The reversal of 343422031 is 130224343.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130224343 = 97 ⋅1342519.

It is a cyclic number.

It is not a de Polignac number, because 343422031 - 2¹⁹ = 342897743 is a prime.

It is a super-2 number, since 2×343422031² = 235877382752329922, 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 = 343421993 and 343422011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343422041) 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, 5921041 + ... + 5921098.

It is an arithmetic number, because the mean of its divisors is an integer number (88816050).

Almost surely, 2^343422031 is an apocalyptic number.

343422031 is a deficient number, since it is larger than the sum of its proper divisors (11842169).

343422031 is a wasteful number, since it uses less digits than its factorization.

343422031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11842168.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 343422031 is about 18531.6494408890. The cubic root of 343422031 is about 700.2869782501.

Adding to 343422031 its reverse (130224343), we get a palindrome (473646374).

The spelling of 343422031 in words is "three hundred forty-three million, four hundred twenty-two thousand, thirty-one".