31212412441 has 16 divisors (see below), whose sum is σ = 36443872000. Its totient is φ = 26720747424.

The previous prime is 31212412433. The next prime is 31212412447. The reversal of 31212412441 is 14421421213.

It is not a de Polignac number, because 31212412441 - 2³ = 31212412433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31212412447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227005 + ... + 337573.

It is an arithmetic number, because the mean of its divisors is an integer number (2277742000).

Almost surely, 2^31212412441 is an apocalyptic number.

It is an amenable number.

31212412441 is a deficient number, since it is larger than the sum of its proper divisors (5231459559).

31212412441 is an equidigital number, since it uses as much as digits as its factorization.

31212412441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111413 (or 111399 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

Adding to 31212412441 its reverse (14421421213), we get a palindrome (45633833654).

The spelling of 31212412441 in words is "thirty-one billion, two hundred twelve million, four hundred twelve thousand, four hundred forty-one".