201231131201002 has 16 divisors (see below), whose sum is σ = 344967920608320. Its totient is φ = 86241846591648.

The previous prime is 201231131200993. The next prime is 201231131201003. The reversal of 201231131201002 is 200102131132102.

It is not an unprimeable number, because it can be changed into a prime (201231131201003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16057774 + ... + 25696582.

It is an arithmetic number, because the mean of its divisors is an integer number (21560495038020).

Almost surely, 2^{201231131201002} is an apocalyptic number.

201231131201002 is a deficient number, since it is larger than the sum of its proper divisors (143736789407318).

201231131201002 is a wasteful number, since it uses less digits than its factorization.

201231131201002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11130045.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 201231131201002 its reverse (200102131132102), we get a palindrome (401333262333104).

The spelling of 201231131201002 in words is "two hundred one trillion, two hundred thirty-one billion, one hundred thirty-one million, two hundred one thousand, two".