30123040313 has 8 divisors (see below), whose sum is σ = 30654662976. Its totient is φ = 29592637200.

The previous prime is 30123040309. The next prime is 30123040327. The reversal of 30123040313 is 31304032103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30123040313 - 2² = 30123040309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30123040393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254981 + ... + 353922.

It is an arithmetic number, because the mean of its divisors is an integer number (3831832872).

Almost surely, 2^30123040313 is an apocalyptic number.

It is an amenable number.

30123040313 is a deficient number, since it is larger than the sum of its proper divisors (531622663).

30123040313 is an equidigital number, since it uses as much as digits as its factorization.

30123040313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609775.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 30123040313 its reverse (31304032103), we get a palindrome (61427072416).

The spelling of 30123040313 in words is "thirty billion, one hundred twenty-three million, forty thousand, three hundred thirteen".