31144141104 has 20 divisors (see below), whose sum is σ = 80455697976. Its totient is φ = 10381380352.

The previous prime is 31144141079. The next prime is 31144141169. The reversal of 31144141104 is 40114144113.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324418089 + ... + 324418184.

Almost surely, 2^31144141104 is an apocalyptic number.

It is an amenable number.

31144141104 is an abundant number, since it is smaller than the sum of its proper divisors (49311556872).

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

31144141104 is a wasteful number, since it uses less digits than its factorization.

31144141104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648836284 (or 648836278 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 31144141104 its reverse (40114144113), we get a palindrome (71258285217).

The spelling of 31144141104 in words is "thirty-one billion, one hundred forty-four million, one hundred forty-one thousand, one hundred four".