31423004211 has 8 divisors (see below), whose sum is σ = 42080297680. Its totient is φ = 20857190112.

The previous prime is 31423004183. The next prime is 31423004231. The reversal of 31423004211 is 11240032413.

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

It is not a de Polignac number, because 31423004211 - 2⁹ = 31423003699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31423004231) 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, 22869040 + ... + 22870413.

It is an arithmetic number, because the mean of its divisors is an integer number (5260037210).

Almost surely, 2^31423004211 is an apocalyptic number.

31423004211 is a deficient number, since it is larger than the sum of its proper divisors (10657293469).

31423004211 is a wasteful number, since it uses less digits than its factorization.

31423004211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45739685.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 31423004211 its reverse (11240032413), we get a palindrome (42663036624).

The spelling of 31423004211 in words is "thirty-one billion, four hundred twenty-three million, four thousand, two hundred eleven".