101131404142 has 32 divisors (see below), whose sum is σ = 166534898400. Its totient is φ = 45846248448.

The previous prime is 101131404137. The next prime is 101131404151. The reversal of 101131404142 is 241404131101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321034 + ... + 552562.

It is an arithmetic number, because the mean of its divisors is an integer number (5204215575).

Almost surely, 2^101131404142 is an apocalyptic number.

101131404142 is a deficient number, since it is larger than the sum of its proper divisors (65403494258).

101131404142 is a wasteful number, since it uses less digits than its factorization.

101131404142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232020.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 101131404142 its reverse (241404131101), we get a palindrome (342535535243).

The spelling of 101131404142 in words is "one hundred one billion, one hundred thirty-one million, four hundred four thousand, one hundred forty-two".