201330031213 has 4 divisors (see below), whose sum is σ = 204334957120. Its totient is φ = 198325105308.

The previous prime is 201330031211. The next prime is 201330031223. The reversal of 201330031213 is 312130033102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 312130033102 = 2 ⋅156065016551.

It is a cyclic number.

It is not a de Polignac number, because 201330031213 - 2¹ = 201330031211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201330031211) 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, 1502462853 + ... + 1502462986.

It is an arithmetic number, because the mean of its divisors is an integer number (51083739280).

Almost surely, 2^201330031213 is an apocalyptic number.

It is an amenable number.

201330031213 is a deficient number, since it is larger than the sum of its proper divisors (3004925907).

201330031213 is an equidigital number, since it uses as much as digits as its factorization.

201330031213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3004925906.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 201330031213 its reverse (312130033102), we get a palindrome (513460064315).

The spelling of 201330031213 in words is "two hundred one billion, three hundred thirty million, thirty-one thousand, two hundred thirteen".