343631026 has 4 divisors (see below), whose sum is σ = 515446542. Its totient is φ = 171815512.

The previous prime is 343631023. The next prime is 343631033. The reversal of 343631026 is 620136343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 620136343 = 4903 ⋅126481.

It can be written as a sum of positive squares in only one way, i.e., 238548025 + 105083001 = 15445^2 + 10251^2 .

It is a junction number, because it is equal to n+sod(n) for n = 343630985 and 343631003.

It is not an unprimeable number, because it can be changed into a prime (343631021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85907755 + ... + 85907758.

Almost surely, 2^343631026 is an apocalyptic number.

343631026 is a deficient number, since it is larger than the sum of its proper divisors (171815516).

343631026 is a wasteful number, since it uses less digits than its factorization.

343631026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171815515.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 343631026 is about 18537.2874498941. The cubic root of 343631026 is about 700.4290064105.

Adding to 343631026 its reverse (620136343), we get a palindrome (963767369).

The spelling of 343631026 in words is "three hundred forty-three million, six hundred thirty-one thousand, twenty-six".