4351223131445 has 32 divisors (see below), whose sum is σ = 5432477132544. Its totient is φ = 3343061030400.

The previous prime is 4351223131441. The next prime is 4351223131457. The reversal of 4351223131445 is 5441313221534.

It is not a de Polignac number, because 4351223131445 - 2² = 4351223131441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4351223131399 and 4351223131408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4351223131441) 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, 36544529 + ... + 36663401.

It is an arithmetic number, because the mean of its divisors is an integer number (169764910392).

Almost surely, 2^{4351223131445} is an apocalyptic number.

It is an amenable number.

4351223131445 is a deficient number, since it is larger than the sum of its proper divisors (1081254001099).

4351223131445 is a wasteful number, since it uses less digits than its factorization.

4351223131445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121773.

The product of its digits is 172800, while the sum is 38.

Adding to 4351223131445 its reverse (5441313221534), we get a palindrome (9792536352979).

The spelling of 4351223131445 in words is "four trillion, three hundred fifty-one billion, two hundred twenty-three million, one hundred thirty-one thousand, four hundred forty-five".