201032131021 has 16 divisors (see below), whose sum is σ = 211044830400. Its totient is φ = 191240235648.

The previous prime is 201032131019. The next prime is 201032131031. The reversal of 201032131021 is 120131230102.

It is a cyclic number.

It is not a de Polignac number, because 201032131021 - 2¹ = 201032131019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201032130986 and 201032131004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201032131031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 592810 + ... + 868036.

It is an arithmetic number, because the mean of its divisors is an integer number (13190301900).

Almost surely, 2^201032131021 is an apocalyptic number.

It is an amenable number.

201032131021 is a deficient number, since it is larger than the sum of its proper divisors (10012699379).

201032131021 is a wasteful number, since it uses less digits than its factorization.

201032131021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275628.

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

Adding to 201032131021 its reverse (120131230102), we get a palindrome (321163361123).

The spelling of 201032131021 in words is "two hundred one billion, thirty-two million, one hundred thirty-one thousand, twenty-one".