131010233231 has 4 divisors (see below), whose sum is σ = 136706330352. Its totient is φ = 125314136112.

The previous prime is 131010233203. The next prime is 131010233239. The reversal of 131010233231 is 132332010131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132332010131 = 196039 ⋅675029.

It is a cyclic number.

It is not a de Polignac number, because 131010233231 - 2¹⁰ = 131010232207 is a prime.

It is a super-2 number, since 2×131010233231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131010233239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2848048526 + ... + 2848048571.

It is an arithmetic number, because the mean of its divisors is an integer number (34176582588).

Almost surely, 2^131010233231 is an apocalyptic number.

131010233231 is a deficient number, since it is larger than the sum of its proper divisors (5696097121).

131010233231 is an equidigital number, since it uses as much as digits as its factorization.

131010233231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5696097120.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 131010233231 its reverse (132332010131), we get a palindrome (263342243362).

The spelling of 131010233231 in words is "one hundred thirty-one billion, ten million, two hundred thirty-three thousand, two hundred thirty-one".