131211111324 has 48 divisors (see below), whose sum is σ = 314494294016. Its totient is φ = 42546772800.

The previous prime is 131211111281. The next prime is 131211111337. The reversal of 131211111324 is 423111112131.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 131211111324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2545689 + ... + 2596719.

Almost surely, 2^131211111324 is an apocalyptic number.

It is an amenable number.

131211111324 is an abundant number, since it is smaller than the sum of its proper divisors (183283182692).

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

131211111324 is a wasteful number, since it uses less digits than its factorization.

131211111324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56866 (or 56864 counting only the distinct ones).

The product of its digits is 144, while the sum is 21.

Adding to 131211111324 its reverse (423111112131), we get a palindrome (554322223455).

The spelling of 131211111324 in words is "one hundred thirty-one billion, two hundred eleven million, one hundred eleven thousand, three hundred twenty-four".