3159881320373 has 2 divisors, whose sum is σ = 3159881320374. Its totient is φ = 3159881320372.

The previous prime is 3159881320361. The next prime is 3159881320397. The reversal of 3159881320373 is 3730231889513.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3096607439524 + 63273880849 = 1759718^2 + 251543^2 .

It is a cyclic number.

It is not a de Polignac number, because 3159881320373 - 2¹⁰ = 3159881319349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3159881325373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1579940660186 + 1579940660187.

It is an arithmetic number, because the mean of its divisors is an integer number (1579940660187).

Almost surely, 2^{3159881320373} is an apocalyptic number.

It is an amenable number.

3159881320373 is a deficient number, since it is larger than the sum of its proper divisors (1).

3159881320373 is an equidigital number, since it uses as much as digits as its factorization.

3159881320373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3265920, while the sum is 53.

It can be divided in two parts, 315988 and 1320373, that added together give a palindrome (1636361).

The spelling of 3159881320373 in words is "three trillion, one hundred fifty-nine billion, eight hundred eighty-one million, three hundred twenty thousand, three hundred seventy-three".