1311614121231 has 12 divisors (see below), whose sum is σ = 1894959217008. Its totient is φ = 874222266624.

The previous prime is 1311614121133. The next prime is 1311614121241. The reversal of 1311614121231 is 1321214161131.

1311614121231 is a `hidden beast` number, since 1 + 3 + 1 + 1 + 614 + 1 + 2 + 12 + 31 = 666.

It is not a de Polignac number, because 1311614121231 - 2¹⁰ = 1311614120207 is a prime.

It is a super-2 number, since 2×1311614121231² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1311614121195 and 1311614121204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311614121241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15551235 + ... + 15635348.

It is an arithmetic number, because the mean of its divisors is an integer number (157913268084).

Almost surely, 2^{1311614121231} is an apocalyptic number.

1311614121231 is a deficient number, since it is larger than the sum of its proper divisors (583345095777).

1311614121231 is a wasteful number, since it uses less digits than its factorization.

1311614121231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31191262 (or 31191259 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

Adding to 1311614121231 its reverse (1321214161131), we get a palindrome (2632828282362).

The spelling of 1311614121231 in words is "one trillion, three hundred eleven billion, six hundred fourteen million, one hundred twenty-one thousand, two hundred thirty-one".