147312301413221 has 6 divisors (see below), whose sum is σ = 171363289399110. Its totient is φ = 126267686925576.

The previous prime is 147312301413209. The next prime is 147312301413271. The reversal of 147312301413221 is 122314103213741.

It can be written as a sum of positive squares in only one way, i.e., 131987033850721 + 15325267562500 = 11488561^2 + 3914750^2 .

It is a de Polignac number, because none of the positive numbers 2^k-147312301413221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147312301413271) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1503186749066 + ... + 1503186749163.

It is an arithmetic number, because the mean of its divisors is an integer number (28560548233185).

Almost surely, 2^{147312301413221} is an apocalyptic number.

It is an amenable number.

147312301413221 is a deficient number, since it is larger than the sum of its proper divisors (24050987985889).

147312301413221 is an equidigital number, since it uses as much as digits as its factorization.

147312301413221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3006373498243 (or 3006373498236 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

Adding to 147312301413221 its reverse (122314103213741), we get a palindrome (269626404626962).

The spelling of 147312301413221 in words is "one hundred forty-seven trillion, three hundred twelve billion, three hundred one million, four hundred thirteen thousand, two hundred twenty-one".