1031316342205 has 16 divisors (see below), whose sum is σ = 1240805666880. Its totient is φ = 822905007232.

The previous prime is 1031316342157. The next prime is 1031316342227. The reversal of 1031316342205 is 5022436131301.

It is a cyclic number.

It is not a de Polignac number, because 1031316342205 - 2²¹ = 1031314245053 is a prime.

It is a super-2 number, since 2×1031316342205² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 2979582 + ... + 3307648.

It is an arithmetic number, because the mean of its divisors is an integer number (77550354180).

Almost surely, 2^{1031316342205} is an apocalyptic number.

It is an amenable number.

1031316342205 is a deficient number, since it is larger than the sum of its proper divisors (209489324675).

1031316342205 is a wasteful number, since it uses less digits than its factorization.

1031316342205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329708.

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 1031316342205 in words is "one trillion, thirty-one billion, three hundred sixteen million, three hundred forty-two thousand, two hundred five".