2031175420 has 12 divisors (see below), whose sum is σ = 4265468424. Its totient is φ = 812470160.

The previous prime is 2031175381. The next prime is 2031175427. The reversal of 2031175420 is 245711302.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031175427) 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, 50779366 + ... + 50779405.

It is an arithmetic number, because the mean of its divisors is an integer number (355455702).

Almost surely, 2^2031175420 is an apocalyptic number.

2031175420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2031175420 is an abundant number, since it is smaller than the sum of its proper divisors (2234293004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2031175420 is a wasteful number, since it uses less digits than its factorization.

2031175420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101558780 (or 101558778 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 2031175420 is about 45068.5635448924. The cubic root of 2031175420 is about 1266.4337548053.

Adding to 2031175420 its reverse (245711302), we get a palindrome (2276886722).

The spelling of 2031175420 in words is "two billion, thirty-one million, one hundred seventy-five thousand, four hundred twenty".