31314424443 has 8 divisors (see below), whose sum is σ = 41753560848. Its totient is φ = 20875785504.

The previous prime is 31314424433. The next prime is 31314424459. The reversal of 31314424443 is 34442441313.

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

It is not a de Polignac number, because 31314424443 - 2²² = 31310230139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31314424433) 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, 62721 + ... + 257997.

It is an arithmetic number, because the mean of its divisors is an integer number (5219195106).

Almost surely, 2^31314424443 is an apocalyptic number.

31314424443 is a deficient number, since it is larger than the sum of its proper divisors (10439136405).

31314424443 is a wasteful number, since it uses less digits than its factorization.

31314424443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248733.

The product of its digits is 55296, while the sum is 33.

Adding to 31314424443 its reverse (34442441313), we get a palindrome (65756865756).

The spelling of 31314424443 in words is "thirty-one billion, three hundred fourteen million, four hundred twenty-four thousand, four hundred forty-three".