201031120213 has 8 divisors (see below), whose sum is σ = 250636201920. Its totient is φ = 156647626080.

The previous prime is 201031120211. The next prime is 201031120217. The reversal of 201031120213 is 312021130102.

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

It is not a de Polignac number, because 201031120213 - 2¹ = 201031120211 is a prime.

It is a super-2 number, since 2×201031120213² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201031120211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1305396808 + ... + 1305396961.

It is an arithmetic number, because the mean of its divisors is an integer number (31329525240).

Almost surely, 2^201031120213 is an apocalyptic number.

It is an amenable number.

201031120213 is a deficient number, since it is larger than the sum of its proper divisors (49605081707).

201031120213 is a wasteful number, since it uses less digits than its factorization.

201031120213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2610793787.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 201031120213 its reverse (312021130102), we get a palindrome (513052250315).

The spelling of 201031120213 in words is "two hundred one billion, thirty-one million, one hundred twenty thousand, two hundred thirteen".