101142423041231 has 32 divisors (see below), whose sum is σ = 125816982516288. Its totient is φ = 79880456816640.

The previous prime is 101142423041213. The next prime is 101142423041239. The reversal of 101142423041231 is 132140324241101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101142423041231 is a prime.

It is a super-2 number, since 2×101142423041231² (a number of 29 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 = 101142423041194 and 101142423041203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101142423041239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123019445 + ... + 123838881.

It is an arithmetic number, because the mean of its divisors is an integer number (3931780703634).

Almost surely, 2^{101142423041231} is an apocalyptic number.

101142423041231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

101142423041231 is a deficient number, since it is larger than the sum of its proper divisors (24674559475057).

101142423041231 is a wasteful number, since it uses less digits than its factorization.

101142423041231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870251.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 101142423041231 its reverse (132140324241101), we get a palindrome (233282747282332).

The spelling of 101142423041231 in words is "one hundred one trillion, one hundred forty-two billion, four hundred twenty-three million, forty-one thousand, two hundred thirty-one".