1031312131009 has 8 divisors (see below), whose sum is σ = 1051380793152. Its totient is φ = 1011266059440.

The previous prime is 1031312130983. The next prime is 1031312131013. The reversal of 1031312131009 is 9001312131301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1031312131009 - 2³¹ = 1029164647361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1031312131039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5555437 + ... + 5738074.

It is an arithmetic number, because the mean of its divisors is an integer number (131422599144).

Almost surely, 2^{1031312131009} is an apocalyptic number.

It is an amenable number.

1031312131009 is a deficient number, since it is larger than the sum of its proper divisors (20068662143).

1031312131009 is a wasteful number, since it uses less digits than its factorization.

1031312131009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11295287.

The product of its (nonzero) digits is 486, while the sum is 25.

The spelling of 1031312131009 in words is "one trillion, thirty-one billion, three hundred twelve million, one hundred thirty-one thousand, nine".