30312131330014 has 4 divisors (see below), whose sum is σ = 45468196995024. Its totient is φ = 15156065665006.

The previous prime is 30312131329979. The next prime is 30312131330029. The reversal of 30312131330014 is 41003313121303.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7578032832502 + ... + 7578032832505.

It is an arithmetic number, because the mean of its divisors is an integer number (11367049248756).

Almost surely, 2^{30312131330014} is an apocalyptic number.

30312131330014 is a deficient number, since it is larger than the sum of its proper divisors (15156065665010).

30312131330014 is a wasteful number, since it uses less digits than its factorization.

30312131330014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15156065665009.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 30312131330014 its reverse (41003313121303), we get a palindrome (71315444451317).

The spelling of 30312131330014 in words is "thirty trillion, three hundred twelve billion, one hundred thirty-one million, three hundred thirty thousand, fourteen".