101131103142 has 24 divisors (see below), whose sum is σ = 219125559744. Its totient is φ = 33709110864.

The previous prime is 101131103131. The next prime is 101131103147. The reversal of 101131103142 is 241301131101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101131103147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 479548 + ... + 657440.

It is an arithmetic number, because the mean of its divisors is an integer number (9130231656).

Almost surely, 2^101131103142 is an apocalyptic number.

101131103142 is an abundant number, since it is smaller than the sum of its proper divisors (117994456602).

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

101131103142 is a wasteful number, since it uses less digits than its factorization.

101131103142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209484 (or 209481 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 101131103142 its reverse (241301131101), we get a palindrome (342432234243).

The spelling of 101131103142 in words is "one hundred one billion, one hundred thirty-one million, one hundred three thousand, one hundred forty-two".