101142340031 has 4 divisors (see below), whose sum is σ = 101305737000. Its totient is φ = 100978943064.

The previous prime is 101142339997. The next prime is 101142340051. The reversal of 101142340031 is 130043241101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130043241101 = 3539 ⋅36745759.

It is a cyclic number.

It is not a de Polignac number, because 101142340031 - 2¹⁸ = 101142077887 is a prime.

It is a super-2 number, since 2×101142340031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101142339985 and 101142340012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101142340051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81697556 + ... + 81698793.

It is an arithmetic number, because the mean of its divisors is an integer number (25326434250).

Almost surely, 2^101142340031 is an apocalyptic number.

101142340031 is a deficient number, since it is larger than the sum of its proper divisors (163396969).

101142340031 is an equidigital number, since it uses as much as digits as its factorization.

101142340031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163396968.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 101142340031 its reverse (130043241101), we get a palindrome (231185581132).

The spelling of 101142340031 in words is "one hundred one billion, one hundred forty-two million, three hundred forty thousand, thirty-one".