30003131121113 has 4 divisors (see below), whose sum is σ = 30003287131188. Its totient is φ = 30002975111040.

The previous prime is 30003131121107. The next prime is 30003131121137. The reversal of 30003131121113 is 31112113130003.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22242655628944 + 7760475492169 = 4716212^2 + 2785763^2 .

It is a cyclic number.

It is not a de Polignac number, because 30003131121113 - 2⁶ = 30003131121049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30003131121143) 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, 77716208 + ... + 78101313.

It is an arithmetic number, because the mean of its divisors is an integer number (7500821782797).

Almost surely, 2^{30003131121113} is an apocalyptic number.

It is an amenable number.

30003131121113 is a deficient number, since it is larger than the sum of its proper divisors (156010075).

30003131121113 is a wasteful number, since it uses less digits than its factorization.

30003131121113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156010074.

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

Adding to 30003131121113 its reverse (31112113130003), we get a palindrome (61115244251116).

The spelling of 30003131121113 in words is "thirty trillion, three billion, one hundred thirty-one million, one hundred twenty-one thousand, one hundred thirteen".