2031542928 has 120 divisors (see below), whose sum is σ = 6038616480. Its totient is φ = 635765760.

The previous prime is 2031542923. The next prime is 2031542939. The reversal of 2031542928 is 8292451302.

It is a happy number.

2031542928 is a `hidden beast` number, since 20 + 3 + 1 + 542 + 92 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2031542892 and 2031542901.

It is not an unprimeable number, because it can be changed into a prime (2031542921) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 305883 + ... + 312453.

It is an arithmetic number, because the mean of its divisors is an integer number (50321804).

Almost surely, 2^2031542928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2031542928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3019308240).

2031542928 is an abundant number, since it is smaller than the sum of its proper divisors (4007073552).

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

2031542928 is a wasteful number, since it uses less digits than its factorization.

2031542928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6717 (or 6708 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 2031542928 is about 45072.6405705279. The cubic root of 2031542928 is about 1266.5101303634.

The spelling of 2031542928 in words is "two billion, thirty-one million, five hundred forty-two thousand, nine hundred twenty-eight".