142320215431351 has 16 divisors (see below), whose sum is σ = 148740232193280. Its totient is φ = 135919679378560.

The previous prime is 142320215431349. The next prime is 142320215431411. The reversal of 142320215431351 is 153134512023241.

It is a cyclic number.

It is not a de Polignac number, because 142320215431351 - 2¹ = 142320215431349 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142320215431351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142320215431451) 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, 45893736 + ... + 48896578.

It is an arithmetic number, because the mean of its divisors is an integer number (9296264512080).

Almost surely, 2^{142320215431351} is an apocalyptic number.

142320215431351 is a deficient number, since it is larger than the sum of its proper divisors (6420016761929).

142320215431351 is a wasteful number, since it uses less digits than its factorization.

142320215431351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3006086.

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 142320215431351 its reverse (153134512023241), we get a palindrome (295454727454592).

The spelling of 142320215431351 in words is "one hundred forty-two trillion, three hundred twenty billion, two hundred fifteen million, four hundred thirty-one thousand, three hundred fifty-one".