1031717979127 has 16 divisors (see below), whose sum is σ = 1137813011712. Its totient is φ = 927695401920.

The previous prime is 1031717979119. The next prime is 1031717979161. The reversal of 1031717979127 is 7219797171301.

It is a cyclic number.

It is not a de Polignac number, because 1031717979127 - 2³ = 1031717979119 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 (1031717979107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 386443 + ... + 1487539.

It is an arithmetic number, because the mean of its divisors is an integer number (71113313232).

Almost surely, 2^{1031717979127} is an apocalyptic number.

1031717979127 is a deficient number, since it is larger than the sum of its proper divisors (106095032585).

1031717979127 is a wasteful number, since it uses less digits than its factorization.

1031717979127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102038.

The product of its (nonzero) digits is 1166886, while the sum is 55.

The spelling of 1031717979127 in words is "one trillion, thirty-one billion, seven hundred seventeen million, nine hundred seventy-nine thousand, one hundred twenty-seven".