2031042400 has 36 divisors (see below), whose sum is σ = 4958284212. Its totient is φ = 812416640.

The previous prime is 2031042371. The next prime is 2031042421. The reversal of 2031042400 is 42401302.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1268602 + ... + 1270201.

It is an arithmetic number, because the mean of its divisors is an integer number (137730117).

Almost surely, 2^2031042400 is an apocalyptic number.

2031042400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2031042400 is an abundant number, since it is smaller than the sum of its proper divisors (2927241812).

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

2031042400 is a wasteful number, since it uses less digits than its factorization.

2031042400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2538823 (or 2538810 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2031042400 is about 45067.0877692358. The cubic root of 2031042400 is about 1266.4061083018.

Adding to 2031042400 its reverse (42401302), we get a palindrome (2073443702).

The spelling of 2031042400 in words is "two billion, thirty-one million, forty-two thousand, four hundred".