31454320552343 has 4 divisors (see below), whose sum is σ = 33873883671768. Its totient is φ = 29034757432920.

The previous prime is 31454320552247. The next prime is 31454320552349. The reversal of 31454320552343 is 34325502345413.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 31454320552343 - 2²⁴ = 31454303775127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31454320552294 and 31454320552303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31454320552349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1209781559693 + ... + 1209781559718.

It is an arithmetic number, because the mean of its divisors is an integer number (8468470917942).

Almost surely, 2^{31454320552343} is an apocalyptic number.

31454320552343 is a deficient number, since it is larger than the sum of its proper divisors (2419563119425).

31454320552343 is a wasteful number, since it uses less digits than its factorization.

31454320552343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2419563119424.

The product of its (nonzero) digits is 2592000, while the sum is 44.

Adding to 31454320552343 its reverse (34325502345413), we get a palindrome (65779822897756).

The spelling of 31454320552343 in words is "thirty-one trillion, four hundred fifty-four billion, three hundred twenty million, five hundred fifty-two thousand, three hundred forty-three".