31144021144033 has 8 divisors (see below), whose sum is σ = 35698784730752. Its totient is φ = 26615661984576.

The previous prime is 31144021143863. The next prime is 31144021144043. The reversal of 31144021144033 is 33044112044113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31144021144033 - 2¹⁷ = 31144021012961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31144021143986 and 31144021144004.

It is not an unprimeable number, because it can be changed into a prime (31144021144043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6601104285 + ... + 6601109002.

It is an arithmetic number, because the mean of its divisors is an integer number (4462348091344).

Almost surely, 2^{31144021144033} is an apocalyptic number.

It is an amenable number.

31144021144033 is a deficient number, since it is larger than the sum of its proper divisors (4554763586719).

31144021144033 is a wasteful number, since it uses less digits than its factorization.

31144021144033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13202213631.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 31144021144033 its reverse (33044112044113), we get a palindrome (64188133188146).

The spelling of 31144021144033 in words is "thirty-one trillion, one hundred forty-four billion, twenty-one million, one hundred forty-four thousand, thirty-three".