31434456443 has 8 divisors (see below), whose sum is σ = 33855015936. Its totient is φ = 29014257600.

The previous prime is 31434456437. The next prime is 31434456467. The reversal of 31434456443 is 34465443413.

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 31434456443 - 2⁶ = 31434456379 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31434456443.

It is not an unprimeable number, because it can be changed into a prime (31434456143) 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, 106823 + ... + 272543.

It is an arithmetic number, because the mean of its divisors is an integer number (4231876992).

Almost surely, 2^31434456443 is an apocalyptic number.

31434456443 is a deficient number, since it is larger than the sum of its proper divisors (2420559493).

31434456443 is a wasteful number, since it uses less digits than its factorization.

31434456443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180325.

The product of its digits is 829440, while the sum is 41.

Adding to 31434456443 its reverse (34465443413), we get a palindrome (65899899856).

The spelling of 31434456443 in words is "thirty-one billion, four hundred thirty-four million, four hundred fifty-six thousand, four hundred forty-three".