31444401411 has 6 divisors (see below), whose sum is σ = 45419690940. Its totient is φ = 20962934268.

The previous prime is 31444401383. The next prime is 31444401421. The reversal of 31444401411 is 11410444413.

It is not a de Polignac number, because 31444401411 - 2¹⁹ = 31443877123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31444401421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1746911181 + ... + 1746911198.

It is an arithmetic number, because the mean of its divisors is an integer number (7569948490).

Almost surely, 2^31444401411 is an apocalyptic number.

31444401411 is a deficient number, since it is larger than the sum of its proper divisors (13975289529).

31444401411 is a wasteful number, since it uses less digits than its factorization.

31444401411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3493822385 (or 3493822382 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 31444401411 its reverse (11410444413), we get a palindrome (42854845824).

The spelling of 31444401411 in words is "thirty-one billion, four hundred forty-four million, four hundred one thousand, four hundred eleven".