2031401131209 has 12 divisors (see below), whose sum is σ = 3088680082800. Its totient is φ = 1282990188024.

The previous prime is 2031401131183. The next prime is 2031401131237. The reversal of 2031401131209 is 9021311041302.

2031401131209 is a `hidden beast` number, since 20 + 3 + 1 + 401 + 1 + 31 + 209 = 666.

It is not a de Polignac number, because 2031401131209 - 2⁹ = 2031401130697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2031401131609) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 5939769219 + ... + 5939769560.

It is an arithmetic number, because the mean of its divisors is an integer number (257390006900).

Almost surely, 2^{2031401131209} is an apocalyptic number.

It is an amenable number.

2031401131209 is a deficient number, since it is larger than the sum of its proper divisors (1057278951591).

2031401131209 is a wasteful number, since it uses less digits than its factorization.

2031401131209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11879538804 (or 11879538801 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The spelling of 2031401131209 in words is "two trillion, thirty-one billion, four hundred one million, one hundred thirty-one thousand, two hundred nine".