131224142031 has 16 divisors (see below), whose sum is σ = 178934568960. Its totient is φ = 85520167200.

The previous prime is 131224142011. The next prime is 131224142033. The reversal of 131224142031 is 130241422131.

It is not a de Polignac number, because 131224142031 - 2⁹ = 131224141519 is a prime.

It is a super-2 number, since 2×131224142031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131224141992 and 131224142010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131224142033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2717095 + ... + 2764968.

It is an arithmetic number, because the mean of its divisors is an integer number (11183410560).

Almost surely, 2^131224142031 is an apocalyptic number.

131224142031 is a deficient number, since it is larger than the sum of its proper divisors (47710426929).

131224142031 is a wasteful number, since it uses less digits than its factorization.

131224142031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5482246.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 131224142031 its reverse (130241422131), we get a palindrome (261465564162).

The spelling of 131224142031 in words is "one hundred thirty-one billion, two hundred twenty-four million, one hundred forty-two thousand, thirty-one".