30311111561213 has 16 divisors (see below), whose sum is σ = 35449477067136. Its totient is φ = 25374886225920.

The previous prime is 30311111561167. The next prime is 30311111561233. The reversal of 30311111561213 is 31216511111303.

It is not a de Polignac number, because 30311111561213 - 2⁶ = 30311111561149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30311111561233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 437645 + ... + 7798317.

It is an arithmetic number, because the mean of its divisors is an integer number (2215592316696).

Almost surely, 2^{30311111561213} is an apocalyptic number.

It is an amenable number.

30311111561213 is a deficient number, since it is larger than the sum of its proper divisors (5138365505923).

30311111561213 is a wasteful number, since it uses less digits than its factorization.

30311111561213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7374404.

The product of its (nonzero) digits is 1620, while the sum is 29.

Adding to 30311111561213 its reverse (31216511111303), we get a palindrome (61527622672516).

The spelling of 30311111561213 in words is "thirty trillion, three hundred eleven billion, one hundred eleven million, five hundred sixty-one thousand, two hundred thirteen".