2031532657 has 32 divisors (see below), whose sum is σ = 2747291904. Its totient is φ = 1453516800.

The previous prime is 2031532583. The next prime is 2031532751. The reversal of 2031532657 is 7562351302.

It is a cyclic number.

It is not a de Polignac number, because 2031532657 - 2¹¹ = 2031530609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2031532357) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 34743 + ... + 72595.

It is an arithmetic number, because the mean of its divisors is an integer number (85852872).

Almost surely, 2^2031532657 is an apocalyptic number.

It is an amenable number.

2031532657 is a deficient number, since it is larger than the sum of its proper divisors (715759247).

2031532657 is a wasteful number, since it uses less digits than its factorization.

2031532657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37929.

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 2031532657 is about 45072.5266320849. The cubic root of 2031532657 is about 1266.5079959681.

Adding to 2031532657 its reverse (7562351302), we get a palindrome (9593883959).

The spelling of 2031532657 in words is "two billion, thirty-one million, five hundred thirty-two thousand, six hundred fifty-seven".