201031013235 has 32 divisors (see below), whose sum is σ = 346488726528. Its totient is φ = 98941449600.

The previous prime is 201031013233. The next prime is 201031013243. The reversal of 201031013235 is 532310130102.

It is not a de Polignac number, because 201031013235 - 2¹ = 201031013233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201031013233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 564210 + ... + 848760.

It is an arithmetic number, because the mean of its divisors is an integer number (10827772704).

Almost surely, 2^201031013235 is an apocalyptic number.

201031013235 is a deficient number, since it is larger than the sum of its proper divisors (145457713293).

201031013235 is a wasteful number, since it uses less digits than its factorization.

201031013235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288195.

The product of its (nonzero) digits is 540, while the sum is 21.

Adding to 201031013235 its reverse (532310130102), we get a palindrome (733341143337).

The spelling of 201031013235 in words is "two hundred one billion, thirty-one million, thirteen thousand, two hundred thirty-five".