144312031424321 has 32 divisors (see below), whose sum is σ = 147487885776000. Its totient is φ = 141175388323840.

The previous prime is 144312031424311. The next prime is 144312031424383. The reversal of 144312031424321 is 123424130213441.

It is a cyclic number.

It is not a de Polignac number, because 144312031424321 - 2²⁶ = 144311964315457 is a prime.

It is a super-2 number, since 2×144312031424321² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144312031424311) 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, 22377424505 + ... + 22377430953.

It is an arithmetic number, because the mean of its divisors is an integer number (4608996430500).

Almost surely, 2^{144312031424321} is an apocalyptic number.

It is an amenable number.

144312031424321 is a deficient number, since it is larger than the sum of its proper divisors (3175854351679).

144312031424321 is a wasteful number, since it uses less digits than its factorization.

144312031424321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10849.

The product of its (nonzero) digits is 55296, while the sum is 35.

Adding to 144312031424321 its reverse (123424130213441), we get a palindrome (267736161637762).

The spelling of 144312031424321 in words is "one hundred forty-four trillion, three hundred twelve billion, thirty-one million, four hundred twenty-four thousand, three hundred twenty-one".