30311031101213 has 16 divisors (see below), whose sum is σ = 31498951438080. Its totient is φ = 29144772854400.

The previous prime is 30311031101171. The next prime is 30311031101227. The reversal of 30311031101213 is 31210113011303.

It is not a de Polignac number, because 30311031101213 - 2¹⁸ = 30311030839069 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 (30311031101233) 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, 6252056 + ... + 9985502.

It is an arithmetic number, because the mean of its divisors is an integer number (1968684464880).

Almost surely, 2^{30311031101213} is an apocalyptic number.

It is an amenable number.

30311031101213 is a deficient number, since it is larger than the sum of its proper divisors (1187920336867).

30311031101213 is a wasteful number, since it uses less digits than its factorization.

30311031101213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3736348.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 30311031101213 its reverse (31210113011303), we get a palindrome (61521144112516).

The spelling of 30311031101213 in words is "thirty trillion, three hundred eleven billion, thirty-one million, one hundred one thousand, two hundred thirteen".