201002030131001 has 4 divisors (see below), whose sum is σ = 219274941961104. Its totient is φ = 182729118300900.

The previous prime is 201002030130929. The next prime is 201002030131031. The reversal of 201002030131001 is 100131030200102.

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 a cyclic number.

It is not a de Polignac number, because 201002030131001 - 2¹⁰ = 201002030129977 is a prime.

It is a super-2 number, since 2×201002030131001² (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 (201002030131031) 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, 9136455915035 + ... + 9136455915056.

It is an arithmetic number, because the mean of its divisors is an integer number (54818735490276).

Almost surely, 2^{201002030131001} is an apocalyptic number.

It is an amenable number.

201002030131001 is a deficient number, since it is larger than the sum of its proper divisors (18272911830103).

201002030131001 is a wasteful number, since it uses less digits than its factorization.

201002030131001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18272911830102.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 201002030131001 its reverse (100131030200102), we get a palindrome (301133060331103).

The spelling of 201002030131001 in words is "two hundred one trillion, two billion, thirty million, one hundred thirty-one thousand, one".