31144012114544 has 40 divisors (see below), whose sum is σ = 69149647853568. Its totient is φ = 13311064716480.

The previous prime is 31144012114519. The next prime is 31144012114601. The reversal of 31144012114544 is 44541121044113.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 378802952 + ... + 378885159.

Almost surely, 2^{31144012114544} is an apocalyptic number.

It is an amenable number.

31144012114544 is an abundant number, since it is smaller than the sum of its proper divisors (38005635739024).

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

31144012114544 is a wasteful number, since it uses less digits than its factorization.

31144012114544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757688493 (or 757688487 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

Adding to 31144012114544 its reverse (44541121044113), we get a palindrome (75685133158657).

The spelling of 31144012114544 in words is "thirty-one trillion, one hundred forty-four billion, twelve million, one hundred fourteen thousand, five hundred forty-four".