42144213132231 has 32 divisors (see below), whose sum is σ = 66292584787968. Its totient is φ = 23305124459520.

The previous prime is 42144213132227. The next prime is 42144213132247. The reversal of 42144213132231 is 13223131244124.

It is not a de Polignac number, because 42144213132231 - 2² = 42144213132227 is a prime.

It is a super-2 number, since 2×42144213132231² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42144213132192 and 42144213132201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42144213136231) 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, 36365281 + ... + 37506293.

It is an arithmetic number, because the mean of its divisors is an integer number (2071643274624).

Almost surely, 2^{42144213132231} is an apocalyptic number.

42144213132231 is a deficient number, since it is larger than the sum of its proper divisors (24148371655737).

42144213132231 is a wasteful number, since it uses less digits than its factorization.

42144213132231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1197791.

The product of its digits is 27648, while the sum is 33.

Adding to 42144213132231 its reverse (13223131244124), we get a palindrome (55367344376355).

The spelling of 42144213132231 in words is "forty-two trillion, one hundred forty-four billion, two hundred thirteen million, one hundred thirty-two thousand, two hundred thirty-one".