142313100321 has 16 divisors (see below), whose sum is σ = 218111577984. Its totient is φ = 80851701504.

The previous prime is 142313100247. The next prime is 142313100329. The reversal of 142313100321 is 123001313241.

It is not a de Polignac number, because 142313100321 - 2²¹ = 142311003169 is a prime.

It is a super-3 number, since 3×142313100321³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (142313100329) 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, 19582536 + ... + 19589801.

It is an arithmetic number, because the mean of its divisors is an integer number (13631973624).

Almost surely, 2^142313100321 is an apocalyptic number.

It is an amenable number.

142313100321 is a deficient number, since it is larger than the sum of its proper divisors (75798477663).

142313100321 is a wasteful number, since it uses less digits than its factorization.

142313100321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39172520.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 142313100321 its reverse (123001313241), we get a palindrome (265314413562).

The spelling of 142313100321 in words is "one hundred forty-two billion, three hundred thirteen million, one hundred thousand, three hundred twenty-one".