10120203231 has 16 divisors (see below), whose sum is σ = 14006627328. Its totient is φ = 6494997600.

The previous prime is 10120203217. The next prime is 10120203257. The reversal of 10120203231 is 13230202101.

It is not a de Polignac number, because 10120203231 - 2¹⁰ = 10120202207 is a prime.

It is a super-2 number, since 2×10120203231² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10120203231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120202231) 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, 579715 + ... + 596916.

It is an arithmetic number, because the mean of its divisors is an integer number (875414208).

Almost surely, 2^10120203231 is an apocalyptic number.

10120203231 is a deficient number, since it is larger than the sum of its proper divisors (3886424097).

10120203231 is a wasteful number, since it uses less digits than its factorization.

10120203231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176742.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 10120203231 its reverse (13230202101), we get a palindrome (23350405332).

The spelling of 10120203231 in words is "ten billion, one hundred twenty million, two hundred three thousand, two hundred thirty-one".