31210414421 has 8 divisors (see below), whose sum is σ = 31317983904. Its totient is φ = 31103004240.

The previous prime is 31210414373. The next prime is 31210414439. The reversal of 31210414421 is 12441401213.

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 31210414421 - 2¹⁸ = 31210152277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31210414471) 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, 359546 + ... + 437828.

It is an arithmetic number, because the mean of its divisors is an integer number (3914747988).

Almost surely, 2^31210414421 is an apocalyptic number.

It is an amenable number.

31210414421 is a deficient number, since it is larger than the sum of its proper divisors (107569483).

31210414421 is an equidigital number, since it uses as much as digits as its factorization.

31210414421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79651.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 31210414421 its reverse (12441401213), we get a palindrome (43651815634).

The spelling of 31210414421 in words is "thirty-one billion, two hundred ten million, four hundred fourteen thousand, four hundred twenty-one".