101331142 has 16 divisors (see below), whose sum is σ = 174542400. Its totient is φ = 43635240.

The previous prime is 101331127. The next prime is 101331149. The reversal of 101331142 is 241133101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101331149) 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, 120792 + ... + 121627.

It is an arithmetic number, because the mean of its divisors is an integer number (10908900).

Almost surely, 2^101331142 is an apocalyptic number.

101331142 is a deficient number, since it is larger than the sum of its proper divisors (73211258).

101331142 is a wasteful number, since it uses less digits than its factorization.

101331142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242451.

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

The square root of 101331142 is about 10066.3370696594. The cubic root of 101331142 is about 466.2093498379.

Adding to 101331142 its reverse (241133101), we get a palindrome (342464243).

The spelling of 101331142 in words is "one hundred one million, three hundred thirty-one thousand, one hundred forty-two".