31103144311132 has 6 divisors (see below), whose sum is σ = 54430502544488. Its totient is φ = 15551572155564.

The previous prime is 31103144311123. The next prime is 31103144311139. The reversal of 31103144311132 is 23111344130113.

It is a self number, because there is not a number n which added to its sum of digits gives 31103144311132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31103144311139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3887893038888 + ... + 3887893038895.

Almost surely, 2^{31103144311132} is an apocalyptic number.

It is an amenable number.

31103144311132 is a deficient number, since it is larger than the sum of its proper divisors (23327358233356).

31103144311132 is a wasteful number, since it uses less digits than its factorization.

31103144311132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7775786077787 (or 7775786077785 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

Adding to 31103144311132 its reverse (23111344130113), we get a palindrome (54214488441245).

The spelling of 31103144311132 in words is "thirty-one trillion, one hundred three billion, one hundred forty-four million, three hundred eleven thousand, one hundred thirty-two".