133031206335506 has 16 divisors (see below), whose sum is σ = 200674857203808. Its totient is φ = 66139910726400.

The previous prime is 133031206335431. The next prime is 133031206335529. The reversal of 133031206335506 is 605533602130331.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80040980 + ... + 81686111.

It is an arithmetic number, because the mean of its divisors is an integer number (12542178575238).

Almost surely, 2^{133031206335506} is an apocalyptic number.

133031206335506 is a deficient number, since it is larger than the sum of its proper divisors (67643650868302).

133031206335506 is a wasteful number, since it uses less digits than its factorization.

133031206335506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161729417.

The product of its (nonzero) digits is 437400, while the sum is 41.

Adding to 133031206335506 its reverse (605533602130331), we get a palindrome (738564808465837).

The spelling of 133031206335506 in words is "one hundred thirty-three trillion, thirty-one billion, two hundred six million, three hundred thirty-five thousand, five hundred six".