3131727679079 has 4 divisors (see below), whose sum is σ = 3152745985800. Its totient is φ = 3110709372360.

The previous prime is 3131727679033. The next prime is 3131727679081. The reversal of 3131727679079 is 9709767271313.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3131727679079 - 2¹⁶ = 3131727613543 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 (3131727679019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10509153137 + ... + 10509153434.

It is an arithmetic number, because the mean of its divisors is an integer number (788186496450).

Almost surely, 2^{3131727679079} is an apocalyptic number.

3131727679079 is a deficient number, since it is larger than the sum of its proper divisors (21018306721).

3131727679079 is a wasteful number, since it uses less digits than its factorization.

3131727679079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21018306720.

The product of its (nonzero) digits is 21003948, while the sum is 62.

The spelling of 3131727679079 in words is "three trillion, one hundred thirty-one billion, seven hundred twenty-seven million, six hundred seventy-nine thousand, seventy-nine".