341131421 has 4 divisors (see below), whose sum is σ = 341530332. Its totient is φ = 340732512.

The previous prime is 341131391. The next prime is 341131429. The reversal of 341131421 is 124131143.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 124131143 = 2927 ⋅42409.

It can be written as a sum of positive squares in 2 ways, for example, as 303247396 + 37884025 = 17414^2 + 6155^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-341131421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 341131393 and 341131402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (341131429) 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, 198170 + ... + 199883.

It is an arithmetic number, because the mean of its divisors is an integer number (85382583).

Almost surely, 2^341131421 is an apocalyptic number.

It is an amenable number.

341131421 is a deficient number, since it is larger than the sum of its proper divisors (398911).

341131421 is an equidigital number, since it uses as much as digits as its factorization.

341131421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398910.

The product of its digits is 288, while the sum is 20.

The square root of 341131421 is about 18469.7433929116. The cubic root of 341131421 is about 698.7265425224.

Adding to 341131421 its reverse (124131143), we get a palindrome (465262564).

The spelling of 341131421 in words is "three hundred forty-one million, one hundred thirty-one thousand, four hundred twenty-one".