201331434334 has 8 divisors (see below), whose sum is σ = 302023236240. Its totient is φ = 100657022256.

The previous prime is 201331434331. The next prime is 201331434341. The reversal of 201331434334 is 433434133102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 201331434296 and 201331434305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201331434331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4318474 + ... + 4364845.

It is an arithmetic number, because the mean of its divisors is an integer number (37752904530).

Almost surely, 2^201331434334 is an apocalyptic number.

201331434334 is a deficient number, since it is larger than the sum of its proper divisors (100691801906).

201331434334 is a wasteful number, since it uses less digits than its factorization.

201331434334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8694914.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 201331434334 its reverse (433434133102), we get a palindrome (634765567436).

The spelling of 201331434334 in words is "two hundred one billion, three hundred thirty-one million, four hundred thirty-four thousand, three hundred thirty-four".