2131001232 has 20 divisors (see below), whose sum is σ = 5505086640. Its totient is φ = 710333728.

The previous prime is 2131001227. The next prime is 2131001237. The reversal of 2131001232 is 2321001312.

It is an interprime number because it is at equal distance from previous prime (2131001227) and next prime (2131001237).

It is not an unprimeable number, because it can be changed into a prime (2131001237) 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 3 ways as a sum of consecutive naturals, for example, 22197882 + ... + 22197977.

It is an arithmetic number, because the mean of its divisors is an integer number (275254332).

Almost surely, 2^2131001232 is an apocalyptic number.

It is an amenable number.

2131001232 is an abundant number, since it is smaller than the sum of its proper divisors (3374085408).

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

2131001232 is a wasteful number, since it uses less digits than its factorization.

2131001232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44395870 (or 44395864 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2131001232 is about 46162.7688944240. The cubic root of 2131001232 is about 1286.8499211306.

Adding to 2131001232 its reverse (2321001312), we get a palindrome (4452002544).

The spelling of 2131001232 in words is "two billion, one hundred thirty-one million, one thousand, two hundred thirty-two".