31144444411 has 8 divisors (see below), whose sum is σ = 32235648480. Its totient is φ = 30054390912.

The previous prime is 31144444337. The next prime is 31144444421. The reversal of 31144444411 is 11444444113.

It is a happy number.

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 31144444411 - 2³¹ = 28996960763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31144444421) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 232375 + ... + 341008.

It is an arithmetic number, because the mean of its divisors is an integer number (4029456060).

Almost surely, 2^31144444411 is an apocalyptic number.

31144444411 is a deficient number, since it is larger than the sum of its proper divisors (1091204069).

31144444411 is a wasteful number, since it uses less digits than its factorization.

31144444411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575285.

The product of its digits is 12288, while the sum is 31.

Adding to 31144444411 its reverse (11444444113), we get a palindrome (42588888524).

The spelling of 31144444411 in words is "thirty-one billion, one hundred forty-four million, four hundred forty-four thousand, four hundred eleven".