131224011142 has 8 divisors (see below), whose sum is σ = 224955447696. Its totient is φ = 56238861912.

The previous prime is 131224011131. The next prime is 131224011169. The reversal of 131224011142 is 241110422131.

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

It is a super-2 number, since 2×131224011142² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4686571813 + ... + 4686571840.

It is an arithmetic number, because the mean of its divisors is an integer number (28119430962).

Almost surely, 2^131224011142 is an apocalyptic number.

131224011142 is a deficient number, since it is larger than the sum of its proper divisors (93731436554).

131224011142 is an equidigital number, since it uses as much as digits as its factorization.

131224011142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9373143662.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 131224011142 its reverse (241110422131), we get a palindrome (372334433273).

The spelling of 131224011142 in words is "one hundred thirty-one billion, two hundred twenty-four million, eleven thousand, one hundred forty-two".