3131331231009 has 16 divisors (see below), whose sum is σ = 4246050804800. Its totient is φ = 2052123197760.

The previous prime is 3131331230977. The next prime is 3131331231121. The reversal of 3131331231009 is 9001321331313.

It is not a de Polignac number, because 3131331231009 - 2⁵ = 3131331230977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3131331235009) 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, 4724722 + ... + 5346555.

It is an arithmetic number, because the mean of its divisors is an integer number (265378175300).

Almost surely, 2^{3131331231009} is an apocalyptic number.

It is an amenable number.

3131331231009 is a deficient number, since it is larger than the sum of its proper divisors (1114719573791).

3131331231009 is a wasteful number, since it uses less digits than its factorization.

3131331231009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10073040.

The product of its (nonzero) digits is 4374, while the sum is 30.

The spelling of 3131331231009 in words is "three trillion, one hundred thirty-one billion, three hundred thirty-one million, two hundred thirty-one thousand, nine".