30203020311213 has 32 divisors (see below), whose sum is σ = 42323373265536. Its totient is φ = 19134435575808.

The previous prime is 30203020311209. The next prime is 30203020311229. The reversal of 30203020311213 is 31211302030203.

It is not a de Polignac number, because 30203020311213 - 2² = 30203020311209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30203020311213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30203020311253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86852581 + ... + 87199637.

It is an arithmetic number, because the mean of its divisors is an integer number (1322605414548).

Almost surely, 2^{30203020311213} is an apocalyptic number.

It is an amenable number.

30203020311213 is a deficient number, since it is larger than the sum of its proper divisors (12120352954323).

30203020311213 is a wasteful number, since it uses less digits than its factorization.

30203020311213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365373.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 30203020311213 its reverse (31211302030203), we get a palindrome (61414322341416).

The spelling of 30203020311213 in words is "thirty trillion, two hundred three billion, twenty million, three hundred eleven thousand, two hundred thirteen".