2031577072 has 30 divisors (see below), whose sum is σ = 4499548568. Its totient is φ = 870471456.

The previous prime is 2031577057. The next prime is 2031577073. The reversal of 2031577072 is 2707751302.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031577073) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 474879 + ... + 479137.

Almost surely, 2^2031577072 is an apocalyptic number.

It is an amenable number.

2031577072 is an abundant number, since it is smaller than the sum of its proper divisors (2467971496).

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

2031577072 is an frugal number, since it uses more digits than its factorization.

2031577072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8533 (or 4268 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 34.

The square root of 2031577072 is about 45073.0193352964. The cubic root of 2031577072 is about 1266.5172257061.

The spelling of 2031577072 in words is "two billion, thirty-one million, five hundred seventy-seven thousand, seventy-two".