131223131030031 has 8 divisors (see below), whose sum is σ = 175099911077040. Its totient is φ = 87414219168192.

The previous prime is 131223131030009. The next prime is 131223131030083. The reversal of 131223131030031 is 130030131322131.

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

It is not a de Polignac number, because 131223131030031 - 2¹⁹ = 131223130505743 is a prime.

It is a super-2 number, since 2×131223131030031² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131223131029983 and 131223131030010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131223131030231) 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, 16967041780 + ... + 16967049513.

It is an arithmetic number, because the mean of its divisors is an integer number (21887488884630).

Almost surely, 2^{131223131030031} is an apocalyptic number.

131223131030031 is a deficient number, since it is larger than the sum of its proper divisors (43876780047009).

131223131030031 is a wasteful number, since it uses less digits than its factorization.

131223131030031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33934092585.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 131223131030031 its reverse (130030131322131), we get a palindrome (261253262352162).

The spelling of 131223131030031 in words is "one hundred thirty-one trillion, two hundred twenty-three billion, one hundred thirty-one million, thirty thousand, thirty-one".