201331043330 has 16 divisors (see below), whose sum is σ = 374892288120. Its totient is φ = 77755437312.

The previous prime is 201331043311. The next prime is 201331043351. The reversal of 201331043330 is 33340133102.

It can be written as a sum of positive squares in 4 ways, for example, as 195807135001 + 5523908329 = 442501^2 + 74323^2 .

It is a junction number, because it is equal to n+sod(n) for n = 201331043296 and 201331043305.

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, 347122199 + ... + 347122778.

Almost surely, 2^201331043330 is an apocalyptic number.

201331043330 is a deficient number, since it is larger than the sum of its proper divisors (173561244790).

201331043330 is a wasteful number, since it uses less digits than its factorization.

201331043330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694245013.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 201331043330 its reverse (33340133102), we get a palindrome (234671176432).

The spelling of 201331043330 in words is "two hundred one billion, three hundred thirty-one million, forty-three thousand, three hundred thirty".