201001313213131 has 4 divisors (see below), whose sum is σ = 201004465101552. Its totient is φ = 200998161324712.

The previous prime is 201001313213089. The next prime is 201001313213191. The reversal of 201001313213131 is 131312313100102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201001313213131 - 2¹⁹ = 201001312688843 is a prime.

It is a super-2 number, since 2×201001313213131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201001313213191) 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, 1575848551 + ... + 1575976096.

It is an arithmetic number, because the mean of its divisors is an integer number (50251116275388).

Almost surely, 2^{201001313213131} is an apocalyptic number.

201001313213131 is a deficient number, since it is larger than the sum of its proper divisors (3151888421).

201001313213131 is an equidigital number, since it uses as much as digits as its factorization.

201001313213131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3151888420.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 201001313213131 its reverse (131312313100102), we get a palindrome (332313626313233).

The spelling of 201001313213131 in words is "two hundred one trillion, one billion, three hundred thirteen million, two hundred thirteen thousand, one hundred thirty-one".