201002230131 has 32 divisors (see below), whose sum is σ = 281934079488. Its totient is φ = 127132473600.

The previous prime is 201002230073. The next prime is 201002230151. The reversal of 201002230131 is 131032200102.

It is not a de Polignac number, because 201002230131 - 2⁶ = 201002230067 is a prime.

It is a super-2 number, since 2×201002230131² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 201002230131.

It is not an unprimeable number, because it can be changed into a prime (201002230151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12063156 + ... + 12079806.

It is an arithmetic number, because the mean of its divisors is an integer number (8810439984).

Almost surely, 2^201002230131 is an apocalyptic number.

201002230131 is a deficient number, since it is larger than the sum of its proper divisors (80931849357).

201002230131 is a wasteful number, since it uses less digits than its factorization.

201002230131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18091.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 201002230131 its reverse (131032200102), we get a palindrome (332034430233).

The spelling of 201002230131 in words is "two hundred one billion, two million, two hundred thirty thousand, one hundred thirty-one".