144430345031 has 4 divisors (see below), whose sum is σ = 165063251472. Its totient is φ = 123797438592.

The previous prime is 144430345027. The next prime is 144430345049. The reversal of 144430345031 is 130543034441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130543034441 = 7499 ⋅17408059.

It is a cyclic number.

It is not a de Polignac number, because 144430345031 - 2² = 144430345027 is a prime.

It is a super-2 number, since 2×144430345031² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144430345091) 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, 10316453210 + ... + 10316453223.

It is an arithmetic number, because the mean of its divisors is an integer number (41265812868).

Almost surely, 2^144430345031 is an apocalyptic number.

144430345031 is a deficient number, since it is larger than the sum of its proper divisors (20632906441).

144430345031 is an equidigital number, since it uses as much as digits as its factorization.

144430345031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20632906440.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 144430345031 its reverse (130543034441), we get a palindrome (274973379472).

The spelling of 144430345031 in words is "one hundred forty-four billion, four hundred thirty million, three hundred forty-five thousand, thirty-one".