101042340231 has 32 divisors (see below), whose sum is σ = 156135633408. Its totient is φ = 56926679040.

The previous prime is 101042340209. The next prime is 101042340239. The reversal of 101042340231 is 132043240101.

It is not a de Polignac number, because 101042340231 - 2⁷ = 101042340103 is a prime.

It is a super-2 number, since 2×101042340231² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 101042340198 and 101042340207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101042340239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4798516 + ... + 4819526.

It is an arithmetic number, because the mean of its divisors is an integer number (4879238544).

Almost surely, 2^101042340231 is an apocalyptic number.

101042340231 is a deficient number, since it is larger than the sum of its proper divisors (55093293177).

101042340231 is a wasteful number, since it uses less digits than its factorization.

101042340231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24231.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 101042340231 its reverse (132043240101), we get a palindrome (233085580332).

The spelling of 101042340231 in words is "one hundred one billion, forty-two million, three hundred forty thousand, two hundred thirty-one".