31144121443419 has 16 divisors (see below), whose sum is σ = 42492289923072. Its totient is φ = 20279374966368.

The previous prime is 31144121443417. The next prime is 31144121443439. The reversal of 31144121443419 is 91434412144113.

It is a happy number.

It is not a de Polignac number, because 31144121443419 - 2¹ = 31144121443417 is a prime.

It is a super-2 number, since 2×31144121443419² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31144121443417) 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 15 ways as a sum of consecutive naturals, for example, 2018182 + ... + 8146244.

It is an arithmetic number, because the mean of its divisors is an integer number (2655768120192).

Almost surely, 2^{31144121443419} is an apocalyptic number.

31144121443419 is a deficient number, since it is larger than the sum of its proper divisors (11348168479653).

31144121443419 is a wasteful number, since it uses less digits than its factorization.

31144121443419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6167506.

The product of its digits is 165888, while the sum is 42.

The spelling of 31144121443419 in words is "thirty-one trillion, one hundred forty-four billion, one hundred twenty-one million, four hundred forty-three thousand, four hundred nineteen".