201031010142 has 48 divisors (see below), whose sum is σ = 422109246000. Its totient is φ = 63813222144.

The previous prime is 201031010107. The next prime is 201031010161. The reversal of 201031010142 is 241010130102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95484 + ... + 641232.

It is an arithmetic number, because the mean of its divisors is an integer number (8793942625).

Almost surely, 2^201031010142 is an apocalyptic number.

201031010142 is an abundant number, since it is smaller than the sum of its proper divisors (221078235858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201031010142 is a wasteful number, since it uses less digits than its factorization.

201031010142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545885 (or 545856 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 201031010142 its reverse (241010130102), we get a palindrome (442041140244).

The spelling of 201031010142 in words is "two hundred one billion, thirty-one million, ten thousand, one hundred forty-two".