3187029231361 has 4 divisors (see below), whose sum is σ = 3187578062592. Its totient is φ = 3186480400132.

The previous prime is 3187029231349. The next prime is 3187029231377. The reversal of 3187029231361 is 1631329207813.

3187029231361 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3187029231361 - 2²¹ = 3187027134209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3187029231311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274406905 + ... + 274418518.

It is an arithmetic number, because the mean of its divisors is an integer number (796894515648).

Almost surely, 2^{3187029231361} is an apocalyptic number.

It is an amenable number.

3187029231361 is a deficient number, since it is larger than the sum of its proper divisors (548831231).

3187029231361 is an equidigital number, since it uses as much as digits as its factorization.

3187029231361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548831230.

The product of its (nonzero) digits is 326592, while the sum is 46.

The spelling of 3187029231361 in words is "three trillion, one hundred eighty-seven billion, twenty-nine million, two hundred thirty-one thousand, three hundred sixty-one".