30313012302431 has 4 divisors (see below), whose sum is σ = 30373276740912. Its totient is φ = 30252747863952.

The previous prime is 30313012302361. The next prime is 30313012302539. The reversal of 30313012302431 is 13420321031303.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30313012302431 is a prime.

It is a super-2 number, since 2×30313012302431² (a number of 28 digits) contains 22 as substring.

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 30313012302431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30313012301431) 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 3 ways as a sum of consecutive naturals, for example, 30132218486 + ... + 30132219491.

It is an arithmetic number, because the mean of its divisors is an integer number (7593319185228).

Almost surely, 2^{30313012302431} is an apocalyptic number.

30313012302431 is a deficient number, since it is larger than the sum of its proper divisors (60264438481).

30313012302431 is an equidigital number, since it uses as much as digits as its factorization.

30313012302431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60264438480.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 30313012302431 its reverse (13420321031303), we get a palindrome (43733333333734).

The spelling of 30313012302431 in words is "thirty trillion, three hundred thirteen billion, twelve million, three hundred two thousand, four hundred thirty-one".