304120144140031 has 4 divisors (see below), whose sum is σ = 304121727063000. Its totient is φ = 304118561217064.

The previous prime is 304120144140017. The next prime is 304120144140079. The reversal of 304120144140031 is 130041441021403.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 304120144140031 - 2²¹ = 304120142042879 is a prime.

It is a super-2 number, since 2×304120144140031² (a number of 30 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 (304120144180031) 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, 791173261 + ... + 791557558.

It is an arithmetic number, because the mean of its divisors is an integer number (76030431765750).

Almost surely, 2^{304120144140031} is an apocalyptic number.

304120144140031 is a deficient number, since it is larger than the sum of its proper divisors (1582922969).

304120144140031 is a wasteful number, since it uses less digits than its factorization.

304120144140031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582922968.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 304120144140031 its reverse (130041441021403), we get a palindrome (434161585161434).

The spelling of 304120144140031 in words is "three hundred four trillion, one hundred twenty billion, one hundred forty-four million, one hundred forty thousand, thirty-one".