131423133331 has 8 divisors (see below), whose sum is σ = 150213490784. Its totient is φ = 112636681920.

The previous prime is 131423133319. The next prime is 131423133341. The reversal of 131423133331 is 133331324131.

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

It is not a de Polignac number, because 131423133331 - 2⁷ = 131423133203 is a prime.

It is a super-2 number, since 2×131423133331² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131423133331.

It is not an unprimeable number, because it can be changed into a prime (131423133341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 904050 + ... + 1039303.

It is an arithmetic number, because the mean of its divisors is an integer number (18776686348).

Almost surely, 2^131423133331 is an apocalyptic number.

131423133331 is a deficient number, since it is larger than the sum of its proper divisors (18790357453).

131423133331 is an equidigital number, since it uses as much as digits as its factorization.

131423133331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1953021.

The product of its digits is 5832, while the sum is 28.

Adding to 131423133331 its reverse (133331324131), we get a palindrome (264754457462).

The spelling of 131423133331 in words is "one hundred thirty-one billion, four hundred twenty-three million, one hundred thirty-three thousand, three hundred thirty-one".