2131023332 has 6 divisors (see below), whose sum is σ = 3729290838. Its totient is φ = 1065511664.

The previous prime is 2131023319. The next prime is 2131023397. The reversal of 2131023332 is 2333201312.

It can be written as a sum of positive squares in only one way, i.e., 2049735076 + 81288256 = 45274^2 + 9016^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 266377913 + ... + 266377920.

It is an arithmetic number, because the mean of its divisors is an integer number (621548473).

Almost surely, 2^2131023332 is an apocalyptic number.

It is an amenable number.

2131023332 is a deficient number, since it is larger than the sum of its proper divisors (1598267506).

2131023332 is a wasteful number, since it uses less digits than its factorization.

2131023332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532755837 (or 532755835 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 2131023332 is about 46163.0082641935. The cubic root of 2131023332 is about 1286.8543696318.

Adding to 2131023332 its reverse (2333201312), we get a palindrome (4464224644).

The spelling of 2131023332 in words is "two billion, one hundred thirty-one million, twenty-three thousand, three hundred thirty-two".