2031230101 has 4 divisors (see below), whose sum is σ = 2033167500. Its totient is φ = 2029292704.

The previous prime is 2031230099. The next prime is 2031230147. The reversal of 2031230101 is 1010321302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1010321302 = 2 ⋅505160651.

It can be written as a sum of positive squares in 2 ways, for example, as 915002001 + 1116228100 = 30249^2 + 33410^2 .

It is a cyclic number.

It is not a de Polignac number, because 2031230101 - 2¹ = 2031230099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031230171) 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, 967126 + ... + 969223.

It is an arithmetic number, because the mean of its divisors is an integer number (508291875).

Almost surely, 2^2031230101 is an apocalyptic number.

It is an amenable number.

2031230101 is a deficient number, since it is larger than the sum of its proper divisors (1937399).

2031230101 is a wasteful number, since it uses less digits than its factorization.

2031230101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1937398.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 2031230101 is about 45069.1701831751. The cubic root of 2031230101 is about 1266.4451192009.

Adding to 2031230101 its reverse (1010321302), we get a palindrome (3041551403).

The spelling of 2031230101 in words is "two billion, thirty-one million, two hundred thirty thousand, one hundred one".