201032130009 has 4 divisors (see below), whose sum is σ = 268042840016. Its totient is φ = 134021420004.

The previous prime is 201032129981. The next prime is 201032130011. The reversal of 201032130009 is 900031230102.

It is a happy number.

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.

It is not a de Polignac number, because 201032130009 - 2¹² = 201032125913 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (201032130049) 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, 33505354999 + ... + 33505355004.

It is an arithmetic number, because the mean of its divisors is an integer number (67010710004).

Almost surely, 2^201032130009 is an apocalyptic number.

It is an amenable number.

201032130009 is a deficient number, since it is larger than the sum of its proper divisors (67010710007).

201032130009 is an equidigital number, since it uses as much as digits as its factorization.

201032130009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67010710006.

The product of its (nonzero) digits is 324, while the sum is 21.

The spelling of 201032130009 in words is "two hundred one billion, thirty-two million, one hundred thirty thousand, nine".