142213021321031 has 8 divisors (see below), whose sum is σ = 145110312921024. Its totient is φ = 139323656648800.

The previous prime is 142213021321009. The next prime is 142213021321067. The reversal of 142213021321031 is 130123120312241.

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

It is a cyclic number.

It is not a de Polignac number, because 142213021321031 - 2¹⁴ = 142213021304647 is a prime.

It is a super-2 number, since 2×142213021321031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142213021321001) 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 7 ways as a sum of consecutive naturals, for example, 1981695695 + ... + 1981767456.

It is an arithmetic number, because the mean of its divisors is an integer number (18138789115128).

Almost surely, 2^{142213021321031} is an apocalyptic number.

142213021321031 is a deficient number, since it is larger than the sum of its proper divisors (2897291599993).

142213021321031 is an equidigital number, since it uses as much as digits as its factorization.

142213021321031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3963463881.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 142213021321031 its reverse (130123120312241), we get a palindrome (272336141633272).

The spelling of 142213021321031 in words is "one hundred forty-two trillion, two hundred thirteen billion, twenty-one million, three hundred twenty-one thousand, thirty-one".