2031532651 has 4 divisors (see below), whose sum is σ = 2056009032. Its totient is φ = 2007056272.

The previous prime is 2031532583. The next prime is 2031532751. The reversal of 2031532651 is 1562351302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2031532651 - 2¹¹ = 2031530603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2031532751) 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, 12238066 + ... + 12238231.

It is an arithmetic number, because the mean of its divisors is an integer number (514002258).

Almost surely, 2^2031532651 is an apocalyptic number.

2031532651 is a deficient number, since it is larger than the sum of its proper divisors (24476381).

2031532651 is an equidigital number, since it uses as much as digits as its factorization.

2031532651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24476380.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 2031532651 is about 45072.5265655255. The cubic root of 2031532651 is about 1266.5079947212.

Adding to 2031532651 its reverse (1562351302), we get a palindrome (3593883953).

The spelling of 2031532651 in words is "two billion, thirty-one million, five hundred thirty-two thousand, six hundred fifty-one".