341428981 has 2 divisors, whose sum is σ = 341428982. Its totient is φ = 341428980.

The previous prime is 341428973. The next prime is 341428991. The reversal of 341428981 is 189824143.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 207100881 + 134328100 = 14391^2 + 11590^2 .

It is an emirp because it is prime and its reverse (189824143) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 341428981 - 2³ = 341428973 is a prime.

It is a super-2 number, since 2×341428981² = 233147498133396722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (341428931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170714490 + 170714491.

It is an arithmetic number, because the mean of its divisors is an integer number (170714491).

Almost surely, 2^341428981 is an apocalyptic number.

It is an amenable number.

341428981 is a deficient number, since it is larger than the sum of its proper divisors (1).

341428981 is an equidigital number, since it uses as much as digits as its factorization.

341428981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55296, while the sum is 40.

The square root of 341428981 is about 18477.7969736654. The cubic root of 341428981 is about 698.9296437654.

The spelling of 341428981 in words is "three hundred forty-one million, four hundred twenty-eight thousand, nine hundred eighty-one".