131232311121 has 8 divisors (see below), whose sum is σ = 185269145184. Its totient is φ = 82341842240.

The previous prime is 131232311107. The next prime is 131232311131. The reversal of 131232311121 is 121113232131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131232311121 - 2¹⁴ = 131232294737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131232311131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1286591235 + ... + 1286591336.

It is an arithmetic number, because the mean of its divisors is an integer number (23158643148).

Almost surely, 2^131232311121 is an apocalyptic number.

It is an amenable number.

131232311121 is a deficient number, since it is larger than the sum of its proper divisors (54036834063).

131232311121 is a wasteful number, since it uses less digits than its factorization.

131232311121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2573182591.

The product of its digits is 216, while the sum is 21.

Adding to 131232311121 its reverse (121113232131), we get a palindrome (252345543252).

The spelling of 131232311121 in words is "one hundred thirty-one billion, two hundred thirty-two million, three hundred eleven thousand, one hundred twenty-one".