31403211433243 has 8 divisors (see below), whose sum is σ = 34985010085200. Its totient is φ = 27988008067488.

The previous prime is 31403211433241. The next prime is 31403211433249. The reversal of 31403211433243 is 34233411230413.

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

It is a cyclic number.

It is not a de Polignac number, because 31403211433243 - 2¹ = 31403211433241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31403211433199 and 31403211433208.

It is not an unprimeable number, because it can be changed into a prime (31403211433241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41648821153 + ... + 41648821906.

It is an arithmetic number, because the mean of its divisors is an integer number (4373126260650).

Almost surely, 2^{31403211433243} is an apocalyptic number.

31403211433243 is a deficient number, since it is larger than the sum of its proper divisors (3581798651957).

31403211433243 is a wasteful number, since it uses less digits than its factorization.

31403211433243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83297643101.

The product of its (nonzero) digits is 62208, while the sum is 34.

Adding to 31403211433243 its reverse (34233411230413), we get a palindrome (65636622663656).

The spelling of 31403211433243 in words is "thirty-one trillion, four hundred three billion, two hundred eleven million, four hundred thirty-three thousand, two hundred forty-three".