3131231133049 has 2 divisors, whose sum is σ = 3131231133050. Its totient is φ = 3131231133048.

The previous prime is 3131231133029. The next prime is 3131231133071. The reversal of 3131231133049 is 9403311321313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3003178089024 + 128053044025 = 1732968^2 + 357845^2 .

It is a cyclic number.

It is not a de Polignac number, because 3131231133049 - 2³⁷ = 2993792179577 is a prime.

It is not a weakly prime, because it can be changed into another prime (3131231133029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565615566524 + 1565615566525.

It is an arithmetic number, because the mean of its divisors is an integer number (1565615566525).

Almost surely, 2^{3131231133049} is an apocalyptic number.

It is an amenable number.

3131231133049 is a deficient number, since it is larger than the sum of its proper divisors (1).

3131231133049 is an equidigital number, since it uses as much as digits as its factorization.

3131231133049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 34.

The spelling of 3131231133049 in words is "three trillion, one hundred thirty-one billion, two hundred thirty-one million, one hundred thirty-three thousand, forty-nine".