30131242310203 has 4 divisors (see below), whose sum is σ = 30131322857928. Its totient is φ = 30131161762480.

The previous prime is 30131242310149. The next prime is 30131242310237. The reversal of 30131242310203 is 30201324213103.

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

It is a cyclic number.

It is not a de Polignac number, because 30131242310203 - 2²⁹ = 30130705439291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30131242310503) 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, 39710113 + ... + 40461778.

It is an arithmetic number, because the mean of its divisors is an integer number (7532830714482).

Almost surely, 2^{30131242310203} is an apocalyptic number.

30131242310203 is a deficient number, since it is larger than the sum of its proper divisors (80547725).

30131242310203 is an equidigital number, since it uses as much as digits as its factorization.

30131242310203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80547724.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 30131242310203 its reverse (30201324213103), we get a palindrome (60332566523306).

The spelling of 30131242310203 in words is "thirty trillion, one hundred thirty-one billion, two hundred forty-two million, three hundred ten thousand, two hundred three".