142134206021031 has 32 divisors (see below), whose sum is σ = 218888312581120. Its totient is φ = 80357418296064.

The previous prime is 142134206020999. The next prime is 142134206021057. The reversal of 142134206021031 is 130120602431241.

It is not a de Polignac number, because 142134206021031 - 2⁵ = 142134206020999 is a prime.

It is a super-2 number, since 2×142134206021031² (a number of 29 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 142134206021031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142134206021131) 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 31 ways as a sum of consecutive naturals, for example, 27696046 + ... + 32424363.

It is an arithmetic number, because the mean of its divisors is an integer number (6840259768160).

Almost surely, 2^{142134206021031} is an apocalyptic number.

142134206021031 is a deficient number, since it is larger than the sum of its proper divisors (76754106560089).

142134206021031 is a wasteful number, since it uses less digits than its factorization.

142134206021031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60121615.

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 142134206021031 its reverse (130120602431241), we get a palindrome (272254808452272).

The spelling of 142134206021031 in words is "one hundred forty-two trillion, one hundred thirty-four billion, two hundred six million, twenty-one thousand, thirty-one".