131234110132021 has 4 divisors (see below), whose sum is σ = 141329041680652. Its totient is φ = 121139178583392.

The previous prime is 131234110131931. The next prime is 131234110132051. The reversal of 131234110132021 is 120231011432131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 59618257493796 + 71615852638225 = 7721286^2 + 8462615^2 .

It is a cyclic number.

It is not a de Polignac number, because 131234110132021 - 2⁴³ = 122438017109813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131234110132051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5047465774296 + ... + 5047465774321.

It is an arithmetic number, because the mean of its divisors is an integer number (35332260420163).

Almost surely, 2^{131234110132021} is an apocalyptic number.

It is an amenable number.

131234110132021 is a deficient number, since it is larger than the sum of its proper divisors (10094931548631).

131234110132021 is a wasteful number, since it uses less digits than its factorization.

131234110132021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10094931548630.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 131234110132021 its reverse (120231011432131), we get a palindrome (251465121564152).

The spelling of 131234110132021 in words is "one hundred thirty-one trillion, two hundred thirty-four billion, one hundred ten million, one hundred thirty-two thousand, twenty-one".