131042142231 has 64 divisors (see below), whose sum is σ = 236532366336. Its totient is φ = 62837216640.

The previous prime is 131042142227. The next prime is 131042142239. The reversal of 131042142231 is 132241240131.

It is not a de Polignac number, because 131042142231 - 2² = 131042142227 is a prime.

It is a super-2 number, since 2×131042142231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131042142239) 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 63 ways as a sum of consecutive naturals, for example, 183045 + ... + 543681.

It is an arithmetic number, because the mean of its divisors is an integer number (3695818224).

Almost surely, 2^131042142231 is an apocalyptic number.

131042142231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

131042142231 is a deficient number, since it is larger than the sum of its proper divisors (105490224105).

131042142231 is a wasteful number, since it uses less digits than its factorization.

131042142231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360693 (or 360671 counting only the distinct ones).

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

Adding to 131042142231 its reverse (132241240131), we get a palindrome (263283382362).

The spelling of 131042142231 in words is "one hundred thirty-one billion, forty-two million, one hundred forty-two thousand, two hundred thirty-one".