3121186489343 has 8 divisors (see below), whose sum is σ = 3361304394000. Its totient is φ = 2881072389888.

The previous prime is 3121186489321. The next prime is 3121186489357. The reversal of 3121186489343 is 3439846811213.

It is a Cunningham number, because it is equal to 1766688²-1.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3121186489343 - 2²⁶ = 3121119380479 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 (3121186489313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 883343 + ... + 2650031.

It is an arithmetic number, because the mean of its divisors is an integer number (420163049250).

Almost surely, 2^{3121186489343} is an apocalyptic number.

3121186489343 is a deficient number, since it is larger than the sum of its proper divisors (240117904657).

3121186489343 is a wasteful number, since it uses less digits than its factorization.

3121186489343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1902601.

The product of its digits is 2985984, while the sum is 53.

The spelling of 3121186489343 in words is "three trillion, one hundred twenty-one billion, one hundred eighty-six million, four hundred eighty-nine thousand, three hundred forty-three".