31444401401 has 16 divisors (see below), whose sum is σ = 37516871424. Its totient is φ = 25768157184.

The previous prime is 31444401383. The next prime is 31444401421. The reversal of 31444401401 is 10410444413.

It is not a de Polignac number, because 31444401401 - 2¹⁴ = 31444385017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31444401421) 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, 298361 + ... + 389753.

It is an arithmetic number, because the mean of its divisors is an integer number (2344804464).

Almost surely, 2^31444401401 is an apocalyptic number.

It is an amenable number.

31444401401 is a deficient number, since it is larger than the sum of its proper divisors (6072470023).

31444401401 is a wasteful number, since it uses less digits than its factorization.

31444401401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93560.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 31444401401 its reverse (10410444413), we get a palindrome (41854845814).

The spelling of 31444401401 in words is "thirty-one billion, four hundred forty-four million, four hundred one thousand, four hundred one".