31330353242043 has 128 divisors (see below), whose sum is σ = 49964325949440. Its totient is φ = 19368751933440.

The previous prime is 31330353242011. The next prime is 31330353242053. The reversal of 31330353242043 is 34024235303313.

31330353242043 is a `hidden beast` number, since 3 + 1 + 3 + 303 + 5 + 324 + 20 + 4 + 3 = 666.

It is not a de Polignac number, because 31330353242043 - 2⁵ = 31330353242011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31330353241989 and 31330353242007.

It is not an unprimeable number, because it can be changed into a prime (31330353242053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1053000055 + ... + 1053029807.

It is an arithmetic number, because the mean of its divisors is an integer number (390346296480).

Almost surely, 2^{31330353242043} is an apocalyptic number.

31330353242043 is a deficient number, since it is larger than the sum of its proper divisors (18633972707397).

31330353242043 is a wasteful number, since it uses less digits than its factorization.

31330353242043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30434 (or 30428 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 36.

Adding to 31330353242043 its reverse (34024235303313), we get a palindrome (65354588545356).

The spelling of 31330353242043 in words is "thirty-one trillion, three hundred thirty billion, three hundred fifty-three million, two hundred forty-two thousand, forty-three".