302144142431 has 4 divisors (see below), whose sum is σ = 302145474000. Its totient is φ = 302142810864.

The previous prime is 302144142403. The next prime is 302144142439. The reversal of 302144142431 is 134241441203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134241441203 = 4517 ⋅29719159.

It is a cyclic number.

It is not a de Polignac number, because 302144142431 - 2³⁰ = 301070400607 is a prime.

It is a super-2 number, since 2×302144142431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 302144142394 and 302144142403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302144142439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230606 + ... + 810843.

It is an arithmetic number, because the mean of its divisors is an integer number (75536368500).

Almost surely, 2^302144142431 is an apocalyptic number.

302144142431 is a deficient number, since it is larger than the sum of its proper divisors (1331569).

302144142431 is a wasteful number, since it uses less digits than its factorization.

302144142431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331568.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 302144142431 its reverse (134241441203), we get a palindrome (436385583634).

The spelling of 302144142431 in words is "three hundred two billion, one hundred forty-four million, one hundred forty-two thousand, four hundred thirty-one".