340550131 has 2 divisors, whose sum is σ = 340550132. Its totient is φ = 340550130.

The previous prime is 340550123. The next prime is 340550207. The reversal of 340550131 is 131055043.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 340550131 - 2³ = 340550123 is a prime.

It is a super-2 number, since 2×340550131² = 231948783448234322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (340550101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170275065 + 170275066.

It is an arithmetic number, because the mean of its divisors is an integer number (170275066).

Almost surely, 2^340550131 is an apocalyptic number.

340550131 is a deficient number, since it is larger than the sum of its proper divisors (1).

340550131 is an equidigital number, since it uses as much as digits as its factorization.

340550131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 340550131 is about 18454.0004064159. Note that the first 3 decimals coincide. The cubic root of 340550131 is about 698.3294387995.

The spelling of 340550131 in words is "three hundred forty million, five hundred fifty thousand, one hundred thirty-one".