31441211312 has 20 divisors (see below), whose sum is σ = 69619825296. Its totient is φ = 13474804800.

The previous prime is 31441211297. The next prime is 31441211377. The reversal of 31441211312 is 21311214413.

It is a super-2 number, since 2×31441211312² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140362439 + ... + 140362662.

Almost surely, 2^31441211312 is an apocalyptic number.

It is an amenable number.

31441211312 is an abundant number, since it is smaller than the sum of its proper divisors (38178613984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31441211312 is a wasteful number, since it uses less digits than its factorization.

31441211312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280725116 (or 280725110 counting only the distinct ones).

The product of its digits is 576, while the sum is 23.

Adding to 31441211312 its reverse (21311214413), we get a palindrome (52752425725).

The spelling of 31441211312 in words is "thirty-one billion, four hundred forty-one million, two hundred eleven thousand, three hundred twelve".