201040343106 has 16 divisors (see below), whose sum is σ = 403851969504. Its totient is φ = 66718233824.

The previous prime is 201040343099. The next prime is 201040343107. The reversal of 201040343106 is 601343040102.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (201040343107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73801995 + ... + 73804718.

It is an arithmetic number, because the mean of its divisors is an integer number (25240748094).

Almost surely, 2^201040343106 is an apocalyptic number.

201040343106 is an abundant number, since it is smaller than the sum of its proper divisors (202811626398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201040343106 is a wasteful number, since it uses less digits than its factorization.

201040343106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147606945.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 201040343106 its reverse (601343040102), we get a palindrome (802383383208).

The spelling of 201040343106 in words is "two hundred one billion, forty million, three hundred forty-three thousand, one hundred six".