120203030231 has 4 divisors (see below), whose sum is σ = 121149510912. Its totient is φ = 119256549552.

The previous prime is 120203030221. The next prime is 120203030237. The reversal of 120203030231 is 132030302021.

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 120203030231 - 2¹⁰ = 120203029207 is a prime.

It is a super-2 number, since 2×120203030231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120203030237) 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, 473240150 + ... + 473240403.

It is an arithmetic number, because the mean of its divisors is an integer number (30287377728).

Almost surely, 2^120203030231 is an apocalyptic number.

120203030231 is a deficient number, since it is larger than the sum of its proper divisors (946480681).

120203030231 is an equidigital number, since it uses as much as digits as its factorization.

120203030231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946480680.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 120203030231 its reverse (132030302021), we get a palindrome (252233332252).

The spelling of 120203030231 in words is "one hundred twenty billion, two hundred three million, thirty thousand, two hundred thirty-one".