201331031042 has 16 divisors (see below), whose sum is σ = 319772178432. Its totient is φ = 94740717120.

The previous prime is 201331031023. The next prime is 201331031081. The reversal of 201331031042 is 240130133102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1087583 + ... + 1259165.

It is an arithmetic number, because the mean of its divisors is an integer number (19985761152).

Almost surely, 2^201331031042 is an apocalyptic number.

201331031042 is a deficient number, since it is larger than the sum of its proper divisors (118441147390).

201331031042 is a wasteful number, since it uses less digits than its factorization.

201331031042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206113.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 201331031042 its reverse (240130133102), we get a palindrome (441461164144).

The spelling of 201331031042 in words is "two hundred one billion, three hundred thirty-one million, thirty-one thousand, forty-two".