1317854001031 has 4 divisors (see below), whose sum is σ = 1330170393672. Its totient is φ = 1305537608392.

The previous prime is 1317854001019. The next prime is 1317854001071. The reversal of 1317854001031 is 1301004587131.

It is a happy number.

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 1317854001031 - 2¹³ = 1317853992839 is a prime.

It is a super-2 number, since 2×1317854001031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1317854001001) 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, 6158196160 + ... + 6158196373.

It is an arithmetic number, because the mean of its divisors is an integer number (332542598418).

Almost surely, 2^{1317854001031} is an apocalyptic number.

1317854001031 is a deficient number, since it is larger than the sum of its proper divisors (12316392641).

1317854001031 is a wasteful number, since it uses less digits than its factorization.

1317854001031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12316392640.

The product of its (nonzero) digits is 10080, while the sum is 34.

Adding to 1317854001031 its reverse (1301004587131), we get a palindrome (2618858588162).

The spelling of 1317854001031 in words is "one trillion, three hundred seventeen billion, eight hundred fifty-four million, one thousand, thirty-one".