31144453101443 has 16 divisors (see below), whose sum is σ = 34034123427072. Its totient is φ = 28264516812000.

The previous prime is 31144453101407. The next prime is 31144453101457. The reversal of 31144453101443 is 34410135444113.

It is a cyclic number.

It is not a de Polignac number, because 31144453101443 - 2⁶ = 31144453101379 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31144453101397 and 31144453101406.

It is not an unprimeable number, because it can be changed into a prime (31144453101403) 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 15 ways as a sum of consecutive naturals, for example, 80527538 + ... + 80913368.

It is an arithmetic number, because the mean of its divisors is an integer number (2127132714192).

Almost surely, 2^{31144453101443} is an apocalyptic number.

31144453101443 is a deficient number, since it is larger than the sum of its proper divisors (2889670325629).

31144453101443 is a wasteful number, since it uses less digits than its factorization.

31144453101443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398426.

The product of its (nonzero) digits is 138240, while the sum is 38.

Adding to 31144453101443 its reverse (34410135444113), we get a palindrome (65554588545556).

The spelling of 31144453101443 in words is "thirty-one trillion, one hundred forty-four billion, four hundred fifty-three million, one hundred one thousand, four hundred forty-three".