341231561 has 16 divisors (see below), whose sum is σ = 382209408. Its totient is φ = 301948800.

The previous prime is 341231491. The next prime is 341231567. The reversal of 341231561 is 165132143.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-341231561 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 341231561.

It is not an unprimeable number, because it can be changed into a prime (341231567) 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, 384260 + ... + 385146.

It is an arithmetic number, because the mean of its divisors is an integer number (23888088).

Almost surely, 2^341231561 is an apocalyptic number.

It is an amenable number.

341231561 is a deficient number, since it is larger than the sum of its proper divisors (40977847).

341231561 is a wasteful number, since it uses less digits than its factorization.

341231561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1792.

The product of its digits is 2160, while the sum is 26.

The square root of 341231561 is about 18472.4541141669. The cubic root of 341231561 is about 698.7949068204.

The spelling of 341231561 in words is "three hundred forty-one million, two hundred thirty-one thousand, five hundred sixty-one".