144213221031 has 16 divisors (see below), whose sum is σ = 209824328448. Its totient is φ = 87377100800.

The previous prime is 144213221029. The next prime is 144213221093. The reversal of 144213221031 is 130122312441.

It is not a de Polignac number, because 144213221031 - 2¹ = 144213221029 is a prime.

It is a super-2 number, since 2×144213221031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144213220992 and 144213221010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144213221531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 503130 + ... + 735911.

It is an arithmetic number, because the mean of its divisors is an integer number (13114020528).

Almost surely, 2^144213221031 is an apocalyptic number.

144213221031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

144213221031 is a deficient number, since it is larger than the sum of its proper divisors (65611107417).

144213221031 is a wasteful number, since it uses less digits than its factorization.

144213221031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242582.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 144213221031 its reverse (130122312441), we get a palindrome (274335533472).

The spelling of 144213221031 in words is "one hundred forty-four billion, two hundred thirteen million, two hundred twenty-one thousand, thirty-one".