30311003221013 has 4 divisors (see below), whose sum is σ = 30313327162848. Its totient is φ = 30308679279180.

The previous prime is 30311003220997. The next prime is 30311003221123. The reversal of 30311003221013 is 31012230011303.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30311003221013 - 2⁴ = 30311003220997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30311003224013) 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, 1161951353 + ... + 1161977438.

It is an arithmetic number, because the mean of its divisors is an integer number (7578331790712).

Almost surely, 2^{30311003221013} is an apocalyptic number.

It is an amenable number.

30311003221013 is a deficient number, since it is larger than the sum of its proper divisors (2323941835).

30311003221013 is a wasteful number, since it uses less digits than its factorization.

30311003221013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2323941834.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 30311003221013 its reverse (31012230011303), we get a palindrome (61323233232316).

The spelling of 30311003221013 in words is "thirty trillion, three hundred eleven billion, three million, two hundred twenty-one thousand, thirteen".