1513321003273 has 2 divisors, whose sum is σ = 1513321003274. Its totient is φ = 1513321003272.

The previous prime is 1513321003189. The next prime is 1513321003291. The reversal of 1513321003273 is 3723001233151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 926515978249 + 586805025024 = 962557^2 + 766032^2 .

It is an emirp because it is prime and its reverse (3723001233151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1513321003273 - 2¹⁷ = 1513320872201 is a prime.

It is not a weakly prime, because it can be changed into another prime (1513321001273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 756660501636 + 756660501637.

It is an arithmetic number, because the mean of its divisors is an integer number (756660501637).

Almost surely, 2^{1513321003273} is an apocalyptic number.

It is an amenable number.

1513321003273 is a deficient number, since it is larger than the sum of its proper divisors (1).

1513321003273 is an equidigital number, since it uses as much as digits as its factorization.

1513321003273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 31.

The spelling of 1513321003273 in words is "one trillion, five hundred thirteen billion, three hundred twenty-one million, three thousand, two hundred seventy-three".