3131244456149 has 2 divisors, whose sum is σ = 3131244456150. Its totient is φ = 3131244456148.

The previous prime is 3131244456113. The next prime is 3131244456157. The reversal of 3131244456149 is 9416544421313.

3131244456149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2926556075524 + 204688380625 = 1710718^2 + 452425^2 .

It is a cyclic number.

It is not a de Polignac number, because 3131244456149 - 2²⁴ = 3131227678933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3131244458149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565622228074 + 1565622228075.

It is an arithmetic number, because the mean of its divisors is an integer number (1565622228075).

Almost surely, 2^{3131244456149} is an apocalyptic number.

It is an amenable number.

3131244456149 is a deficient number, since it is larger than the sum of its proper divisors (1).

3131244456149 is an equidigital number, since it uses as much as digits as its factorization.

3131244456149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1244160, while the sum is 47.

The spelling of 3131244456149 in words is "three trillion, one hundred thirty-one billion, two hundred forty-four million, four hundred fifty-six thousand, one hundred forty-nine".