1013281316831 has 16 divisors (see below), whose sum is σ = 1226449694016. Its totient is φ = 817240928256.

The previous prime is 1013281316809. The next prime is 1013281316833. The reversal of 1013281316831 is 1386131823101.

It is a cyclic number.

It is not a de Polignac number, because 1013281316831 - 2¹⁰ = 1013281315807 is a prime.

It is a super-2 number, since 2×1013281316831² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013281316833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 522206 + ... + 1516331.

It is an arithmetic number, because the mean of its divisors is an integer number (76653105876).

Almost surely, 2^{1013281316831} is an apocalyptic number.

1013281316831 is a deficient number, since it is larger than the sum of its proper divisors (213168377185).

1013281316831 is a wasteful number, since it uses less digits than its factorization.

1013281316831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2042738.

The product of its (nonzero) digits is 20736, while the sum is 38.

The spelling of 1013281316831 in words is "one trillion, thirteen billion, two hundred eighty-one million, three hundred sixteen thousand, eight hundred thirty-one".