2031120203 has 16 divisors (see below), whose sum is σ = 2462169024. Its totient is φ = 1635655680.

The previous prime is 2031120173. The next prime is 2031120211. The reversal of 2031120203 is 3020211302.

It is a happy number.

It is not a de Polignac number, because 2031120203 - 2¹² = 2031116107 is a prime.

It is a super-2 number, since 2×2031120203² = 8250898558069522418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2031125203) 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, 53873 + ... + 83453.

It is an arithmetic number, because the mean of its divisors is an integer number (153885564).

Almost surely, 2^2031120203 is an apocalyptic number.

2031120203 is a deficient number, since it is larger than the sum of its proper divisors (431048821).

2031120203 is a wasteful number, since it uses less digits than its factorization.

2031120203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30182.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2031120203 is about 45067.9509518682. The cubic root of 2031120203 is about 1266.4222788055.

Adding to 2031120203 its reverse (3020211302), we get a palindrome (5051331505).

The spelling of 2031120203 in words is "two billion, thirty-one million, one hundred twenty thousand, two hundred three".