340401181 has 2 divisors, whose sum is σ = 340401182. Its totient is φ = 340401180.

The previous prime is 340401179. The next prime is 340401197. The reversal of 340401181 is 181104043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 333062500 + 7338681 = 18250^2 + 2709^2 .

It is a cyclic number.

It is not a de Polignac number, because 340401181 - 2¹ = 340401179 is a prime.

It is a super-2 number, since 2×340401181² = 231745928052389522, which contains 22 as substring.

Together with 340401179, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340401151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170200590 + 170200591.

It is an arithmetic number, because the mean of its divisors is an integer number (170200591).

Almost surely, 2^340401181 is an apocalyptic number.

It is an amenable number.

340401181 is a deficient number, since it is larger than the sum of its proper divisors (1).

340401181 is an equidigital number, since it uses as much as digits as its factorization.

340401181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 340401181 is about 18449.9642547079. The cubic root of 340401181 is about 698.2276120501.

The spelling of 340401181 in words is "three hundred forty million, four hundred one thousand, one hundred eighty-one".