343601331 has 16 divisors (see below), whose sum is σ = 488001024. Its totient is φ = 214296704.

The previous prime is 343601327. The next prime is 343601359. The reversal of 343601331 is 133106343.

It is a cyclic number.

It is not a de Polignac number, because 343601331 - 2² = 343601327 is a prime.

It is a super-2 number, since 2×343601331² = 236123749329943122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (343601311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11655 + ... + 28688.

It is an arithmetic number, because the mean of its divisors is an integer number (30500064).

Almost surely, 2^343601331 is an apocalyptic number.

343601331 is a deficient number, since it is larger than the sum of its proper divisors (144399693).

343601331 is a wasteful number, since it uses less digits than its factorization.

343601331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40530.

The product of its (nonzero) digits is 1944, while the sum is 24.

The square root of 343601331 is about 18536.4864793736. The cubic root of 343601331 is about 700.4088298869.

Adding to 343601331 its reverse (133106343), we get a palindrome (476707674).

The spelling of 343601331 in words is "three hundred forty-three million, six hundred one thousand, three hundred thirty-one".