31341143443 has 8 divisors (see below), whose sum is σ = 32096499248. Its totient is φ = 30586991904.

The previous prime is 31341143429. The next prime is 31341143461. The reversal of 31341143443 is 34434114313.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31341143443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31341143413) 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, 248280 + ... + 352597.

It is an arithmetic number, because the mean of its divisors is an integer number (4012062406).

Almost surely, 2^31341143443 is an apocalyptic number.

31341143443 is a deficient number, since it is larger than the sum of its proper divisors (755355805).

31341143443 is a wasteful number, since it uses less digits than its factorization.

31341143443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602133.

The product of its digits is 20736, while the sum is 31.

Adding to 31341143443 its reverse (34434114313), we get a palindrome (65775257756).

The spelling of 31341143443 in words is "thirty-one billion, three hundred forty-one million, one hundred forty-three thousand, four hundred forty-three".