30313012233 has 8 divisors (see below), whose sum is σ = 46191256768. Its totient is φ = 17321721264.

The previous prime is 30313012157. The next prime is 30313012259. The reversal of 30313012233 is 33221031303.

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

It is not a de Polignac number, because 30313012233 - 2¹² = 30313008137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 1443476773 = 30313012233 / (3 + 0 + 3 + 1 + 3 + 0 + 1 + 2 + 2 + 3 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30313012333) 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, 721738366 + ... + 721738407.

It is an arithmetic number, because the mean of its divisors is an integer number (5773907096).

Almost surely, 2^30313012233 is an apocalyptic number.

It is an amenable number.

30313012233 is a deficient number, since it is larger than the sum of its proper divisors (15878244535).

30313012233 is a wasteful number, since it uses less digits than its factorization.

30313012233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443476783.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 30313012233 its reverse (33221031303), we get a palindrome (63534043536).

The spelling of 30313012233 in words is "thirty billion, three hundred thirteen million, twelve thousand, two hundred thirty-three".